AbstractPhil/geometric-vocab-english-full-a-to-z huggingface dataset:
observatory: a place or building for making observations on the heavenly bodies.-a building fitted with instruments for making systematic observations of any particular class or series of natural phenomena.-a place, as an elevated chamber, from which a view may be observed or commanded.-a lookout on a flank of a battery whence an officer can note the range and effect of the fire.
observe: to take notice of by appropriate conduct; to conform one's action or practice to; to keep; to heed; to obey; to comply with; as, to observe rules or commands; to observe civility.-to be on the watch respecting; to pay attention to; to notice with care; to see; to perceive; to discover; as, to observe an eclipse; to observe the color or fashion of a dress; to observe the movements of an army.-to express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark.-to take notice; to give attention to what one sees or hears; to attend.-to make a remark; to comment; -- generally with on or upon.
observer: one who observes, or pays attention to, anything; especially, one engaged in, or trained to habits of, close and exact observation; as, an astronomical observer.-one who keeps any law, custom, regulation, rite, etc.; one who conforms to anything in practice.-one who fulfills or performs; as, an observer of his promises.-a sycophantic follower.
observing: of observe-giving particular attention; habitually attentive to what passes; as, an observing person; an observing mind.
obsession: the act of besieging.-the state of being besieged; -- used specifically of a person beset by a spirit from without.
obsidian: a kind of glass produced by volcanoes. it is usually of a black color, and opaque, except in thin splinters.
obsignation: the act of sealing or ratifying; the state of being sealed or confirmed; confirmation, as by the holy spirit.
obsolete: no longer in use; gone into disuse; disused; neglected; as, an obsolete word; an obsolete statute; -- applied chiefly to words, writings, or observances.-not very distinct; obscure; rudimental; imperfectly developed; abortive.-to become obsolete; to go out of use.
obsoleteness: the state of being obsolete, or no longer used; a state of desuetude.-indistinctness; want of development.
obstacle: that which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.
obstetrical: of or pertaining to midwifery, or the delivery of women in childbed; as, the obstetric art.
obstetricate: to perform the office of midwife.-to assist as a midwife.
obstetricious: serving to assist childbirth; obstetric; hence, facilitating any bringing forth or deliverance.
obstetrics: the science of midwifery; the art of assisting women in parturition, or in the trouble incident to childbirth.
obstinacy: a fixedness in will, opinion, or resolution that can not be shaken at all, or only with great difficulty; firm and usually unreasonable adherence to an opinion, purpose, or system; unyielding disposition; stubborness; pertinacity; persistency; contumacy.-the quality or state of being difficult to remedy, relieve, or subdue; as, the obstinacy of a disease or evil.
obstinate: pertinaciously adhering to an opinion, purpose, or course; persistent; not yielding to reason, arguments, or other means; stubborn; pertinacious; -- usually implying unreasonableness.-not yielding; not easily subdued or removed; as, obstinate fever; obstinate obstructions.
obstreperous: attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous.
obstriction: the state of being constrained, bound, or obliged; that which constrains or obliges; obligation; bond.
obstruct: to block up; to stop up or close, as a way or passage; to place an obstacle in, or fill with obstacles or impediments that prevent or hinder passing; as, to obstruct a street; to obstruct the channels of the body.-to be, or come, in the way of; to hinder from passing; to stop; to impede; to retard; as, the bar in the harbor obstructs the passage of ships; clouds obstruct the light of the sun; unwise rules obstruct legislation.
obstruction: the act of obstructing, or state of being obstructed.-that which obstructs or impedes; an obstacle; an impediment; a hindrance.-the condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death.
obstructionist: one who hinders progress; one who obstructs business, as in a legislative body.-of or pertaining to obstructionists.
obstructive: tending to obstruct; presenting obstacles; hindering; causing impediment.-an obstructive person or thing.
obstruent: causing obstruction; blocking up; hindering; as, an obstruent medicine.-anything that obstructs or closes a passage; esp., that which obstructs natural passages in the body; as, a medicine which acts as an obstruent.
obtain: to hold; to keep; to possess.-to get hold of by effort; to gain possession of; to procure; to acquire, in any way.-to become held; to gain or have a firm footing; to be recognized or established; to subsist; to become prevalent or general; to prevail; as, the custom obtains of going to the seashore in summer.-to prevail; to succeed.
obtected: covered; protected.-covered with a hard chitinous case, as the pupa of certain files.
obtend: to oppose; to hold out in opposition.-to offer as the reason of anything; to pretend.
obtest: to call to witness; to invoke as a witness.-to beseech; to supplicate; to beg for.-to protest.
obtrude: to thrust impertinently; to present without warrant or solicitation; as, to obtrude one's self upon a company.-to offer with unreasonable importunity; to urge unduly or against the will.-to thrust one's self upon a company or upon attention; to intrude.
obtrusion: the act of obtruding; a thrusting upon others by force or unsolicited; as, the obtrusion of crude opinions on the world.-that which is obtruded.
obtrusive: disposed to obtrude; inclined to intrude or thrust one's self or one's opinions upon others, or to enter uninvited; forward; pushing; intrusive.
obtund: to reduce the edge, pungency, or violent action of; to dull; to blunt; to deaden; to quell; as, to obtund the acrimony of the gall.
obtundent: a substance which sheathes a part, or blunts irritation, usually some bland, oily, or mucilaginous matter; -- nearly the same as demulcent.
obtunder: that which obtunds or blunts; especially, that which blunts sensibility.
obturator: that which closes or stops an opening.-an apparatus designed to close an unnatural opening, as a fissure of the palate.-serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.
obtuse: not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees.-not having acute sensibility or perceptions; dull; stupid; as, obtuse senses.-dull; deadened; as, obtuse sound.
obtuse-angular: having an obtuse angle; as, an obtuse-angled triangle.
obtusion: the act or process of making obtuse or blunt.-the state of being dulled or blunted; as, the obtusion of the senses.
obvention: the act of happening incidentally; that which happens casually; an incidental advantage; an occasional offering.
obverse: having the base, or end next the attachment, narrower than the top, as a leaf.-the face of a coin which has the principal image or inscription upon it; -- the other side being the reverse.-anything necessarily involved in, or answering to, another; the more apparent or conspicuous of two possible sides, or of two corresponding things.
obversion: the act of turning toward or downward.-the act of immediate inference, by which we deny the opposite of anything which has been affirmed; as, all men are mortal; then, by obversion, no men are immortal. this is also described as "immediate inference by privative conception."
obviate: to meet in the way.-to anticipate; to prevent by interception; to remove from the way or path; to make unnecessary; as, to obviate the necessity of going.
obvious: opposing; fronting.-exposed; subject; open; liable.-easily discovered, seen, or understood; readily perceived by the eye or the intellect; plain; evident; apparent; as, an obvious meaning; an obvious remark.
obvoluted: overlapping; contorted; convolute; -- applied primarily, in botany, to two opposite leaves, each of which has one edge overlapping the nearest edge of the other, and secondarily to a circle of several leaves or petals which thus overlap.
oca: a peruvian name for certain species of oxalis (o. crenata, and o. tuberosa) which bear edible tubers.
occasion: a falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident.-a favorable opportunity; a convenient or timely chance; convenience.-an occurrence or condition of affairs which brings with it some unlooked-for event; that which incidentally brings to pass an event, without being its efficient cause or sufficient reason; accidental or incidental cause.-need; exigency; requirement; necessity; as, i have no occasion for firearms.-a reason or excuse; a motive; a persuasion.-to give occasion to; to cause; to produce; to induce; as, to occasion anxiety.
occasional: of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts.-produced by accident; as, the occasional origin of a thing.
occasionalism: the system of occasional causes; -- a name given to certain theories of the cartesian school of philosophers, as to the intervention of the first cause, by which they account for the apparent reciprocal action of the soul and the body.
occasionally: in an occasional manner; on occasion; at times, as convenience requires or opportunity offers; not regularly.
occident: the part of the horizon where the sun last appears in the evening; that part of the earth towards the sunset; the west; -- opposed to orient. specifically, in former times, europe as opposed to asia; now, also, the western hemisphere.
occidental: of, pertaining to, or situated in, the occident, or west; western; -- opposed to oriental; as, occidental climates, or customs; an occidental planet.-possessing inferior hardness, brilliancy, or beauty; -- used of inferior precious stones and gems, because those found in the orient are generally superior.
occipital: of or pertaining to the occiput, or back part of the head, or to the occipital bone.-the occipital bone.
occipito-: a combining form denoting relation to, or situation near, the occiput; as, occipito-axial; occipito-mastoid.
occipitoaxial: of or pertaining to the occipital bone and second vertebra, or axis.
occiput: the back, or posterior, part of the head or skull; the region of the occipital bone.-a plate which forms the back part of the head of insects.
occlude: to shut up; to close.-to take in and retain; to absorb; -- said especially with respect to gases; as iron, platinum, and palladium occlude large volumes of hydrogen.
occlusion: the act of occluding, or the state of being occluded.-the transient approximation of the edges of a natural opening; imperforation.
occult: hidden from the eye or the understanding; inviable; secret; concealed; unknown.-to eclipse; to hide from sight.
occultation: the hiding of a heavenly body from sight by the intervention of some other of the heavenly bodies; -- applied especially to eclipses of stars and planets by the moon, and to the eclipses of satellites of planets by their primaries.-fig.: the state of being occult.
occulted: hidden; secret.-concealed by the intervention of some other heavenly body, as a star by the moon.
occupant: one who occupies, or takes possession; one who has the actual use or possession, or is in possession, of a thing.-a prostitute.
occupation: the act or process of occupying or taking possession; actual possession and control; the state of being occupied; a holding or keeping; tenure; use; as, the occupation of lands by a tenant.-that which occupies or engages the time and attention; the principal business of one's life; vocation; employment; calling; trade.
occupier: one who occupies, or has possession.-one who follows an employment; hence, a tradesman.
occupy: to take or hold possession of; to hold or keep for use; to possess.-to hold, or fill, the dimensions of; to take up the room or space of; to cover or fill; as, the camp occupies five acres of ground.-to possess or use the time or capacity of; to engage the service of; to employ; to busy.-to do business in; to busy one's self with.-to use; to expend; to make use of.-to have sexual intercourse with.-to hold possession; to be an occupant.-to follow business; to traffic.
occur: to meet; to clash.-to go in order to meet; to make reply.-to meet one's eye; to be found or met with; to present itself; to offer; to appear; to happen; to take place; as, i will write if opportunity occurs.-to meet or come to the mind; to suggest itself; to be presented to the imagination or memory.
occurrence: a coming or happening; as, the occurence of a railway collision.-any incident or event; esp., one which happens without being designed or expected; as, an unusual occurrence, or the ordinary occurrences of life.
occurrent: occurring or happening; hence, incidental; accidental.-one who meets; hence, an adversary.-anything that happens; an occurrence.
ocean: the whole body of salt water which covers more than three fifths of the surface of the globe; -- called also the sea, or great sea.-one of the large bodies of water into which the great ocean is regarded as divided, as the atlantic, pacific, indian, arctic and antarctic oceans.-an immense expanse; any vast space or quantity without apparent limits; as, the boundless ocean of eternity; an ocean of affairs.-of or pertaining to the main or great sea; as, the ocean waves; an ocean stream.
oceanic: of or pertaining to the ocean; found or formed in or about, or produced by, the ocean; frequenting the ocean, especially mid-ocean.-of or pertaining to oceania or its inhabitants.
oceanus: the god of the great outer sea, or the river which was believed to flow around the whole earth.
ocellated: resembling an eye.-marked with eyelike spots of color; as, the ocellated blenny.
ocellus: a little eye; a minute simple eye found in many invertebrates.-an eyelike spot of color, as those on the tail of the peacock.
ocelot: an american feline carnivore (felis pardalis). it ranges from the southwestern united states to patagonia. it is covered with blackish ocellated spots and blotches, which are variously arranged.  the ground color varies from reddish gray to tawny yellow.
ochlesis: a general morbid condition induced by the crowding together of many persons, esp. sick persons, under one roof.
ochlocratical: of or pertaining to ochlocracy; having the form or character of an ochlocracy; mobocratic.
ochre: a impure earthy ore of iron or a ferruginous clay, usually red (hematite) or yellow (limonite), -- used as a pigment in making paints, etc. the name is also applied to clays of other colors.-a metallic oxide occurring in earthy form; as, tungstic ocher or tungstite.-see ocher.
ochrea: a greave or legging.-a kind of sheath formed by two stipules united round a stem.
ochreated: wearing or furnished with an ochrea or legging; wearing boots; booted.-provided with ochrea, or sheathformed stipules, as the rhubarb, yellow dock, and knotgrass.
ochreous: of or pertaining to ocher; containing or resembling ocher; as, ocherous matter; ocherous soil.-see ocherous.
ochroleucous: yellowish white; having a faint tint of dingy yellow.
octa-: a prefix meaning eight. see octo-.-a combining form meaning eight; as in octodecimal, octodecimal, octolocular.
octad: an atom or radical which has a valence of eight, or is octavalent.
octagon: a plane figure of eight sides and eight angles.-any structure (as a fortification) or place with eight sides or angles.
octahedral: having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage.
octahedron: a solid bounded by eight faces. the regular octahedron is contained by eight equal equilateral triangles.
octamerous: having the parts in eights; as, an octamerous flower; octamerous mesenteries in polyps.
octameter: a verse containing eight feet; as, --//deep# in|to# the | dark#ness | peer#ing, | long# i | stood# there | wond'#ring, | fear#ing.
octandria: a linnaean class of plants, in which the flowers have eight stamens not united to one another or to the pistil.
octane: any one of a group of metametric hydrocarcons (c8h18) of the methane series. the most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.
octant: the eighth part of a circle; an arc of 45 degrees.-the position or aspect of a heavenly body, as the moon or a planet, when half way between conjunction, or opposition, and quadrature, or distant from another body 45 degrees.-an instrument for measuring angles (generally called a quadrant), having an arc which measures up to 9o¡, but being itself the eighth part of a circle.  cf. sextant.-one of the eight parts into which a space is divided by three coordinate planes.
octapla: a portion of the old testament prepared by origen in the 3d century, containing the hebrew text and seven greek versions of it, arranged in eight parallel columns.
octateuch: a collection of eight books; especially, the first eight books of the old testament.
octavalent: having a valence of eight; capable of being combined with, exchanged for, or compared with, eight atoms of hydrogen; -- said of certain atoms or radicals.
octave: the eighth day after a church festival, the festival day being included; also, the week following a church festival.-the eighth tone in the scale; the interval between one and eight of the scale, or any interval of equal length; an interval of five tones and two semitones. -the whole diatonic scale itself.-the first two stanzas of a sonnet, consisting of four verses each; a stanza of eight lines.-a small cask of wine, the eighth part of a pipe.-consisting of eight; eight.
octavo: a book composed of sheets each of which is folded into eight leaves; hence, indicating more or less definitely a size of book so made; -- usually written 8vo or 8¡.-having eight leaves to a sheet; as, an octavo form, book, leaf, size, etc.
octillion: according to the french method of numeration (which method is followed also in the united states) the number expressed by a unit with twenty-seven ciphers annexed.  according to the english method, the number expressed by a unit with forty-eight ciphers annexed. see numeration.
october: the tenth month of the year, containing thirty-one days.-ale or cider made in that month.
octocerata: a suborder of cephalopoda including octopus, argonauta, and allied genera, having eight arms around the head; -- called also octopoda.
octodecimo: having eighteen leaves to a sheet; as, an octodecimo form, book, leaf, size, etc.-a book composed of sheets each of which is folded into eighteen leaves; hence; indicating more or less definitely a size of book, whose sheets are so folded; -- usually written 18mo or 18¡, and called eighteenmo.
octodont: of or pertaining to the octodontidae, a family of rodents which includes the coypu, and many other south american species.
octogild: a pecuniary compensation for an injury, of eight times the value of the thing.
octoic: pertaining to, derived from, or resembling, octane; -- used specifically, to designate any one of a group of acids, the most important of which is called caprylic acid.
octonaphthene: a colorless liquid hydrocarbon of the octylene series, occurring in caucasian petroleum.
octopus: a genus of eight-armed cephalopods, including numerous species, some of them of large size. see devilfish,
octostyle: having eight columns in the front; -- said of a temple or portico. the parthenon is octostyle, but most large greek temples are hexastele. see hexastyle.-an octostyle portico or temple.
octoyl: a hypothetical radical (c8h15o), regarded as the essential residue of octoic acid.
octroi: a privilege granted by the sovereign authority, as the exclusive right of trade granted to a guild or society; a concession.-a tax levied in money or kind at the gate of a french city on articles brought within the walls.
octyl: a hypothetical hydrocarbon radical regarded as an essential residue of octane, and as entering into its derivatives; as, octyl alcohol.
octylene: any one of a series of metameric hydrocarbons (c8h16) of the ethylene series. in general they are combustible, colorless liquids.
octylic: pertaining to, derived from, or containing, octyl; as, octylic ether.
ocular: depending on, or perceived by, the eye; received by actual sight; personally seeing or having seen; as, ocular proof.-of or pertaining to the eye; optic.-the eyepiece of an optical instrument, as of a telescope or microscope.
oculary: of or pertaining to the eye; ocular; optic; as, oculary medicines.
oculiform: in the form of an eye; resembling an eye; as, an oculiform pebble.
oculina: a genus of tropical corals, usually branched, and having a very volid texture.
oculinacea: a suborder of corals including many reef-building species, having round, starlike calicles.
oculomotor: of or pertaining to the movement of the eye; -- applied especially to the common motor nerves (or third pair of cranial nerves) which supply many of the muscles of the orbit.-the oculomotor nerve.
oculonasal: of or pertaining to the region of the eye and the nose; as, the oculonasal, or nasal, nerve, one of the branches of the ophthalmic.
oculus: an eye; (bot.) a leaf bud.-a round window, usually a small one.
ocypodian: one of a tribe of crabs which live in holes in the sand along the seashore, and run very rapidly, -- whence the name.
od: an alleged force or natural power, supposed, by reichenbach and others, to produce the phenomena of mesmerism, and to be developed by various agencies, as by magnets, heat, light, chemical or vital action, etc.; -- called also odyle or the odylic force.
odd: not paired with another, or remaining over after a pairing; without a mate; unmatched; single; as, an odd shoe; an odd glove.-not divisible by 2 without a remainder; not capable of being evenly paired, one unit with another; as, 1, 3, 7, 9, 11, etc., are odd numbers.-left over after a definite round number has been taken or mentioned; indefinitely, but not greatly, exceeding a specified number; extra.-remaining over; unconnected; detached; fragmentary; hence, occasional; inconsiderable; as, odd jobs; odd minutes; odd trifles.-different from what is usual or common; unusual; singular; peculiar; unique; strange.
odd fellow: a member of a secret order, or fraternity, styled the independent order of odd fellows, established for mutual aid and social enjoyment.
oddity: the quality or state of being odd; singularity; queerness; peculiarity; as, oddity of dress, manners, and the like.-that which is odd; as, a collection of oddities.
oddly: in an odd manner; unevently.-in a peculiar manner; strangely; queerly; curiously.-in a manner measured by an odd number.
oddness: the state of being odd, or not even.-singularity; strangeness; eccentricity; irregularity; uncouthness; as, the oddness of dress or shape; the oddness of an event.
odds: difference in favor of one and against another; excess of one of two things or numbers over the other; inequality; advantage; superiority; hence, excess of chances; probability.-quarrel; dispute; debate; strife; -- chiefly in the phrase at odds.
ode: a short poetical composition proper to be set to music or sung; a lyric poem; esp., now, a poem characterized by sustained noble sentiment and appropriate dignity of style.
odeon: a kind of theater in ancient greece, smaller than the dramatic theater and roofed over, in which poets and musicians submitted their works to the approval of the public, and contended for prizes; -- hence, in modern usage, the name of a hall for musical or dramatic performances.
odfend: to transgress the moral or divine law; to commit a crime; to stumble; to sin.-to cause dislike, anger, or vexation; to displease.