11-letter words that end in on
- anovulation — failure to produce eggs or to discharge them from an ovary
- anteflexion — a bending forward of an organ, especially of the body of the uterus.
- anteversion — abnormal forward tilting of a bodily organ, esp the uterus
- antifashion — opposing mainstream fashion
- antihyperon — the antiparticle of the hyperon
- antimension — a consecrated linen or silk cloth, kept on an altar, to which is sewn a linen or silk bag containing relics of saints.
- antimonsoon — the air current above a monsoon, moving in the opposite direction
- antineutron — the antiparticle of a neutron; a particle having the same mass as the neutron but a magnetic moment of opposite sign
- antinucleon — an antiproton or an antineutron
- antiquation — the process of becoming antiquated
- apocopation — to shorten by apocope.
- apocynthion — the point at which a spacecraft in lunar orbit is farthest from the moon
- apodization — (mathematics) Any of several techniques to modify the form of a mathematical function, or of a spectrum etc. by smoothing or removing irregularities.
- apollonicon — a large chamber organ with keyboards and barrels
- appellation — An appellation is a name or title that a person, place, or thing is given.
- application — An application for something such as a job or membership of an organization is a formal written request for it.
- apprecation — (obsolete) Earnest prayer; devout wish.
- approbation — Approbation is approval of something or agreement to it.
- arab legion — a police force (1920–56) under British supervision, responsible for keeping order among desert tribesmen in Trans-Jordan.
- arabization — transfer to Arab control
- arbitration — Arbitration is the judging of a dispute between people or groups by someone who is not involved.
- archenteron — the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
- arrestation — the slowing or stopping of the development or progress of something
- artophorion — pyx (def 1a).
- ashwaubenon — a town in E Wisconsin.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- asportation — the removal or taking away of something
- assentation — servile or hypocritical agreement
- assertation — An assertion, statement of opinion.
- assignation — An assignation is a secret meeting with someone, especially with a lover.
- association — An association is an official group of people who have the same job, aim, or interest.
- astrogation — (in science fiction) navigation in outer space.
- astrophyton — The giant basket star, an early Mesozoic invertebrate.
- atomisation — Alternative spelling of atomization.
- atomization — to reduce to atoms.
- attenuation — the act of attenuating or the state of being attenuated
- attestation — the act of attesting
- attribution — the act of attributing; ascription.
- axenization — (uncountable) The process of isolating a particular organism from all others.
- baby lotion — a skin lotion for babies
- ban ki-moon — born 1944, South Korean international civil servant; secretary-general of the United Nations from 2007
- barfulation — /bar`fyoo-lay'sh*n/ Variation of barf used around the Stanford area. An exclamation, expressing disgust. On seeing some particularly bad code one might exclaim, "Barfulation! Who wrote this, Quux?"
- bastard son — an illegitimate son
- battlewagon — a battleship
- be death on — to deal with in a devastating manner
- be dirty on — to be offended by or be hostile towards
- be great on — to be informed about
- be sweet on — to be in love with
- beam weapon — a laser-beam or particle-beam weapon.
- bellerophon — a hero of Corinth who performed many deeds with the help of the winged horse Pegasus, notably the killing of the monster Chimera