13-letter words containing o, n, c, e, i, a
- anaerobically — (of an organism or tissue) living in the absence of air or free oxygen.
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- androdioecism — the state of being androdioecious
- anecdotically — in an anecdotical manner
- anesthetic to — incapable of feeling or responding to
- anise camphor — anethole.
- anisometropic — relating to anisometropia
- anno hebraico — A.H.
- anthropogenic — relating to anthropogenesis
- anticlockwise — If something is moving anticlockwise, it is moving in the opposite direction to the direction in which the hands of a clock move.
- anticorporate — opposed to the activities or practices of big business
- anticorrosive — preventing corrosion
- antielectrons — Plural form of antielectron.
- antiinfection — Preventing or counteracting infection.
- antimetabolic — inhibiting metabolism
- antiobscenity — opposed to or working to combat obscenity
- antioncogenes — Plural form of antioncogene.
- antirecession — acting against recession
- antirejection — acting to prevent the rejection of a transplanted organ
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- antiselection — adverse selection.
- apicomplexans — Plural form of apicomplexan.
- apperceptions — Plural form of apperception.
- appreciations — Plural form of appreciation.
- arachnephobia — Misspelling of arachnophobia.
- archaeologian — (archaic) An archaeologist.
- architectonic — denoting, relating to, or having architectural qualities
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arundinaceous — resembling a reed
- ascension day — the 40th day after Easter, when the Ascension of Christ into heaven is celebrated
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- ascoli piceno — a town in E central Italy, in the Marches: capital of the Roman province of Picenum; site of the massacre of all its Roman citizens in the Social War in 90 bc. Pop: 51 375 (2001)
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- atomic weapon — a weapon in which energy is provided by nuclear fission
- atrociousness — The state of being atrocious.
- auction house — a commercial company that specializes in selling items at auction
- auctioneering — Present participle of auctioneer.
- audaciousness — Risky or daring behaviour.
- audience room — a room for holding formal interviews or hearings.
- authenticator — a person or thing that authenticates.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- averruncation — the act of averting or turning away
- back emission — the secondary emission of electrons from an anode
- backbone site — A key Usenet, electronic mail and/or Internet site; one that processes a large amount of third-party traffic, especially if it is the home site of any of the regional coordinators for the Usenet maps. Notable backbone sites as of early 1993 include uunet and the mail machines at Rutgers University, UC Berkeley, DEC's Western Research Laboratories, Ohio State University and the University of Texas. Compare rib site, leaf site.
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- bacteriogenic — Caused by bacteria.