pendulation
A theory, initially proposed by H. Simroth, that the earth not only rotates on its axis and revolves around the sun, but also has a slower swinging movement like a pendulum.
The act of swinging like a pendulum, as of cargo being transported by crane
Vacillation between states, especially between reliving a trauma and relaxation.

pendulations
plural of pendulation

pendulette
A small pendulum clock.

pendulettes
plural of pendulette

pendulosities
plural of pendulosity

pendulosity
The state or quality of being pendulous.

pendulousness
The state or quality of being pendulous.

pendunculagin
A particular ellagitannin.

penectomies
plural of penectomy

penectomy
The surgical removal of the penis.

peneplanation
The formation of a peneplain.

peneplanations
plural of peneplanation

penetrabilities
plural of penetrability

penetrability
The extent to which something is penetrable

penetrableness
The quality of being penetrable.

penetrance
The quality or state of being penetrant; power of entering or piercing; penetrating power.
The proportion of individuals carrying a particular variation of a gene that also express an associated trait

penetrances
plural of penetrance

penetrancies
plural of penetrancy

penetrancy
The quality or state of being penetrant; penetrance.

penetratingness
The quality of being penetrating.

penetration
The act of penetrating something.
The insertion of the penis (or similar object) during sexual intercourse.
The act of penetrating a given situation with the mind or faculties; perception, discernment.
The act of progressing or moving forward through or into something.
A number or fraction that represents how many cards/decks will be dealt before shuffling, in contrast to the total number of cards/decks in play.
The proportion of the target audience who buy or use the specified product or service.

penetrations
plural of penetration

penetrativeness
The quality of being penetrative.

penetrativities
plural of penetrativity

penetrativity
The quality or degree of being penetrative.

penfriendship
The state of being penfriends.

penful
Enough to fill a pen.

penfuls
plural of penful

penicillinase
A specific type of beta-lactamase showing specificity for penicillins.

penicillinases
plural of penicillinase

peninsularism
Provincialism; parochiality.

peninsularities
plural of peninsularity

peninsularity
The state of being, or of inhabiting, a peninsula.
Narrow provincialism.

peninvariant
Synonym of cumulant.

peninvariants
plural of peninvariant

penischisis
A congenital fissure or splitting of the penis.

penislessness
The state of being penisless; absence of a penis.

penisocracy
A government or social order dominated by men.

penitence
The condition of being penitent; a feeling of regret or remorse for doing wrong or sinning.

penitences
plural of penitence

penitencies
plural of penitency

penitency
Obsolete form of penitence.

penitentiality
The quality of being penitential.

penitentiaryship
The office or condition of a penitentiary of the papal court.

penitrem
Any of a family of fungal neurotoxins found on ryegrass

penitrems
plural of penitrem

penlessness
Absence of pens.

penlight
A small torch or flashlight that resembles a fountain pen.

penlights
plural of penlight

penlite
Dated form of penlight.
A battery or cell of size AA, size AAA, or size N.

penlites
plural of penlite

penmaking
The manufacture of pens for writing.

penmanship
Synonym of handwriting or chirography, one's own style of writing.
Synonym of calligraphy, the art of beautiful writing.

pennalism
A system of hazing once practised in German universities.

pennation
The presence of pennate features

pennilessness
The state or quality of being penniless.
The state or quality of being penniless.

penninervation
The quality of being penninerved.

pennoncel
A small pennon (a thin flag or streamer).

pennoncelle
Alternative form of pennoncel.

pennoncelles
plural of pennoncelle

pennoncels
plural of pennoncel

pennylessness
Dated spelling of pennilessness.

penologies
plural of penology

penology
Study of the processes devised and adopted for the punishment and prevention of crime.

penoncel
Alternative form of pennoncel.

penoncels
plural of penoncel

penopause
Synonym of andropause.

penoplasties
plural of penoplasty

penoplasty
The surgical enlargement of the penis.

penpalship
The state of being pen pals.

pensel
Obsolete form of pencel.
Obsolete form of pencil.

pensels
plural of pensel

pensful
plural of penful

pensileness
State or quality of being pensile; pendulousness.

pensility
The state or quality of being pensile; pendulousness.

pensione
An Italian boarding house.

pensioneering
Campaigning on the basis of the pension benefits that one will introduce.

pensionership
The role or status of a pensioner.

pensiones
plural of pensione

pensioni
plural of pensione

pentaacetylation
Modification by the addition of five acetyl groups

pentabrach
A variant of amphibrach that has five short syllables

pentacation
A cation that has five positive charges

pentacations
plural of pentacation

pentachlorobiphenyl
Either of forty-six isomers of the polychlorinated biphenyl containing five chlorine atoms

pentachlorobiphenyls
plural of pentachlorobiphenyl

pentachora
plural of pentachoron

pentachoron
A four-dimensional object analogous to a tetrahedron, constructed out of five tetrahedra.

pentachorons
plural of pentachoron

pentachotomies
plural of pentachotomy

pentachotomy
The division of one into five separate but related parts.

pentachromacy
The quality of having five independent channels for conveying color information in the eye.

pentacontagon
A 50-sided polygon.

pentacontahedron
A polyhedron with fifty faces.

pentacoordination
The condition of being pentacoordinate

pentacosiomedimni
The highest class of citizens in Ancient Greece

pentacrostic
A set of verses arranged so that the name of the subject occurs five times, the whole set of verses being divided into five different parts from top to bottom.

pentacrostics
plural of pentacrostic

pentact
A pentactinal structure, one with five rays.

pentacube
A polycube composed of five cubes

pentacubes
plural of pentacube

pentad
Synonym of quintet: A group of five things, particularly
Synonym of quintet: A group of five things, particularly
Synonym of quintet: A group of five things, particularly
Synonym of quintet: A group of five things, particularly

pentadactylism
pentadactyly

pentadactyly
The condition of having five digits (fingers or toes) on a limb

pentadecagon
A polygon with fifteen sides.

pentadecagons
plural of pentadecagon

pentadecahedra
plural of pentadecahedron

pentadecahedron
A polyhedron with fifteen faces.

pentadecahedrons
plural of pentadecahedron

pentadelphy
Presence of pentadelphous stamen.

pentadicity
The property of being pentadic.

pentadiene
Either of two isomeric dienes derived from pentane

pentadienes
plural of pentadiene

pentadodecahedron
a regular dodecahedron having twelve pentagonal faces

pentadodecahedrons
plural of pentadodecahedron

pentads
plural of pentad

pentafluorobenzyl
A form of the benzyl radical in which each of the hydrogen atoms of the benzene ring has been replaced by fluorine

pentafurcation
A division into five branches.

pentagamy
The state of having five spouses simultaneously.

pentagon
A polygon with five sides and five angles.
A fort with five bastions.

pentagonism
In leftist political thought, a stage beyond imperialism embodied by the United States.

pentagonohedron
Any polyhedron that has pentagonal faces.

pentagonohedrons
plural of pentagonohedron

pentagons
plural of pentagon

pentagrid
A tiling of the hyperbolic plane with regular pentagons

pentahedra
plural of pentahedron

pentahedron
A polyhedron with five faces.

pentahedrons
plural of pentahedron

pentahex
A polyhex composed of five hexagons

pentahexes
plural of pentahex

pentakaidecahedra
plural of pentakaidecahedron