normochloremia
The presence of the normal amount of chlorine (as chloride) in the blood

normoinsulinemia
The presence of a normal amount of insulin in the blood

normoketonemia
The presence of the normal amount of ketones in the blood

normoleptinemia
The presence of the normal amount of leptins in the blood

normolipidemia
The presence of the normal amount of lipid in the blood

normoproteinemia
Presence of a normal amount of protein in the blood.
Presence of a normal amount of protein in the blood.

normoproteinuria
The presence of the normal types and amounts of protein in the urine (small amounts in total and in each fraction).

normovitaminosis
The presence of a normal amount of vitamins in the body

nosedness
The state or quality of having a particular number of or type of nose.

nostrilful
The amount of a substance that can fit in a nostril.

nostrilfuls
plural of nostrilful

nostrilsful
plural of nostrilful

nuclearities
plural of nuclearity

nuclearity
The number of central metal atoms in a coordination compound.

nucleide
Alternative form of nuclide.

nucleides
plural of nucleide

nuclide
An atomic nucleus specified by its atomic number and atomic mass.

nuclides
plural of nuclide

numba
Pronunciation spelling of number

numbah
Pronunciation spelling of number

numberedness
Quality of being numbered.

numberhood
The property of being a number.

numberplate
Alternative spelling of number plate.

numberplates
plural of numberplate

numberwang
Alternative letter-case form of Numberwang.

numberwork
mathematical work done with numbers

numbres
plural of numbre

numeracies
plural of numeracy

numeracy
Numerical skill.
Numerical skill.

numerals
plural of numeral

numericlature
A system of nomenclature based on numbers.

numerics
The field of numerically-controlled engineering.

numerlog
The name of a numeric amount.

numerlogs
plural of numerlog

numeromancy
Divination using numbers; numerology.

numeron
A hypothetical nonverbal cognitive representation of a numeric amount.

numerons
plural of numeron

numeronym
A number-based word.
An abbreviation formed by replacing letters within a word by the number of letters replaced, such as "I18n" for "Internationalization".

numeronyms
plural of numeronym

nums
plural of num

nurikabe
A Japanese logic puzzle with a rectangular grid of squares, some of them numbered; the solver is challenged to fill in a subset of squares (under certain constraints) such that each numbered square finally indicates the number of unfilled squares contiguous to it.

nuthugger
Briefs or other type of undergarment designed with a minimal amount of fabric in the front center crotch pouch.

nuthuggers
plural of nuthugger

nutraloaf
A bland food made from various ingredients mixed together and baked into a loaf, served to prisoners instead of normal meals as a disciplinary measure.

nutriocytes
plural of nutriocyte

nybble
Alternative spelling of nibble (“unit of memory equal to half a byte, or chiefly four bits”).

nybbles
plural of nybble

nybl
Alternative form of nybble.

nybls
plural of nybl

observables
plural of observable

occluder
An object that partially or completely impedes the amount of light reaching the eye.
An implement designed to temporarily block light to one eye.
A catheter-delivered device that blocks a hole in the wall of a heart, often having an umbrella-type design and folded up until the catheter arrives at the area of the defect in the heart. Once in place the occluder is unfolded on both sides of the defect so that pressure from both sides keeps it in place.

occluders
plural of occluder

ocean
One of the large bodies of water separating the continents.
Water belonging to an ocean.
An immense expanse; any vast space or quantity without apparent limits.
A blue colour, like that of the ocean (also called ocean blue).

oceanful
The amount that an ocean can hold.

oceanium
A supposed chemical element, thought to be the one with atomic number 72 (now known as hafnium), but later identified as a mixture of aluminium, iron, and titanium.

oceanliner
Alternative spelling of ocean liner.

oceanliners
plural of oceanliner

oceans
plural of ocean

ocelli
plural of ocellus

ocellus
A simple eye consisting of a single lens and a small number of sensory cells.
An eyelike marking in the form of a spot or ring of colour, as on the wing of a butterfly or the tail of a peacock.

ochlospecies
A taxonomic species concept characterized by large amounts of variation that is not correlated with geography or ecology; usually geographically widespread and having variants that may be consistently distinguishable locally but not globally.

oct
Abbreviation of octal.

octa
The proportion of the sky that is obscured by clouds, in eighths (one octa means that one eighth of the sky is obscured, two octas that one quarter is obscured, and so on).

octals
plural of octal

octane
Any of the eighteen isomeric aliphatic hydrocarbons (C₈H₁₈) found in petroleum, especially an iso-octane 2,2,4 trimethyl-pentane; they are used as fuels and solvents.
octane number

octanes
plural of octane

octas
plural of octa

octavation
Transposition by an octave.
Normalization of a numerical ratio by repeated multiplication or division by 2.
The relationship between two planets that are distant from each other by one eighth of a great circle (45.625 degrees)
Conversion (of the expression of a number) from denary to octal notation.

octavations
plural of octavation

octette
Rare spelling of octet.

octettes
plural of octette

octogild
A pecuniary compensation for an injury, amounting to eight times the value of the thing.

octonian
Misspelling of octonion.

octonion
An 8-dimensional nonassociative extension of a quaternion with a real part and 7 imaginary parts (each a real multiple of a distinct square root of −1).

octonions
plural of octonion

ocularity
A measure of the number of eyes needed to see something, i.e. monocular or binocular.

odds
The ratio of the probability of an event happening to that of it not happening.
The ratio of winnings to stake in betting situations.
An advantage given to a weaker opponent in order to equalize the game when playing casually, usually by removing one of the stronger player's pieces or by giving the weaker player more time.

odontometrics
The measurement of teeth

officeful
The amount that fills an office.

officefuls
plural of officeful

officesful
plural of officeful

oganesson
The chemical element (symbol Og) with atomic number 118. It is the heaviest known element. Highly radioactive, it does not occur naturally. Originally expected to be a noble gas, it is now predicted to be a reactive metallic solid, and a semiconductor or a post-transition metal.

ohmage
An amount of electrical resistance measured in ohms.

ohmages
plural of ohmage

oipe
An Ancient Egyptian dry measure of volume equivalent to 4 heqats (about 19.2 litres or 0.54 bushels).

oipes
plural of oipe

oitava
A traditional Portuguese unit of dry measure, equivalent to 1.6–2.4 liters in different 19th-century contexts.
A traditional Portuguese unit of mass, usually equivalent to 3.6 grams.
A traditional Brazilian unit of weight, equivalent to 17.44 carats, typically used for gold and precious stones.

oitavas
plural of oitava

okes
plural of oke

okta
One eighth of the total area of the celestial dome; used as a measure of cloudiness (one okta means that one eighth of the sky is obscured, two oktas that one quarter is obscured, and so on).

oktas
plural of okta

oligoarthropathies
plural of oligoarthropathy

oligoarthropathy
Arthropathy involving a limited number of joints.

oligocythaemia
Alternative form of oligocythemia.

oligocythemia
A deficiency in the number of erythrocytes in the blood.

oligodactylia
Alternative form of oligodactyly.

oligodactyly
The presence of fewer than the usual number of fingers or toes.