13-letter words containing a, c, t, i, n, o
- antiselection — adverse selection.
- antisocialism — the quality of being antisocial
- antisocialist — a person opposed to socialism
- antisociality — the quality of being antisocial
- antispasmodic — preventing or arresting spasms, esp in smooth muscle
- antisudorific — an antiperspirant.
- apperceptions — Plural form of apperception.
- applicational — Of or pertaining to an application.
- appreciations — Plural form of appreciation.
- arabicization — the gradual change of a culture into one that incorporates Arab culture and/or speaks Arabic
- arachnoiditis — an inflammation of the arachnoid membrane
- architectonic — denoting, relating to, or having architectural qualities
- aridification — the process by which a humid region becomes increasingly dry, as by climatic change or human interference with the ecology.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arthroconidia — Plural form of arthroconidium.
- articulations — Plural form of articulation.
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- associational — relating to association or alliance or an association, alliance or affiliation
- astrodynamics — the study of the motion of natural and artificial bodies in space
- astronautical — of or relating to astronautics or astronauts.
- at a discount — below the regular price
- 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 block — Also called block. a platform from which an auctioneer sells: the old courthouse where slaves were sold from the auction block.
- auction house — a commercial company that specializes in selling items at auction
- auction pitch — a variety of all fours in which players bid to determine the trump or pitch.
- auctioneering — Present participle of auctioneer.
- 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.
- autonomically — autonomous.
- averruncation — the act of averting or turning away
- avocationally — in one's leisure time
- back mutation — the reversion of a mutant to the original phenotype
- 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.
- backformation — Alternative spelling of back-formation.
- 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
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriogenic — Caused by bacteria.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriotoxin — any toxin that kills bacteria
- bacterization — subjection to bacterial action
- badminton cup — a long refreshing drink of claret with soda water and sugar
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
- bank discount — interest on a loan deducted from the principal amount when the loan is made and based on the loan's face value
- baritone clef — an F clef locating F below middle C on the third line of the staff.
- baroclinicity — a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.