13-letter words containing i, a, t, r, c
- atomic theory — any theory in which matter is regarded as consisting of atoms, esp that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds
- atrociousness — The state of being atrocious.
- auctioneering — Present participle of auctioneer.
- austroasiatic — a family of languages spoken in SE Asia and the landsaround the Bay of Bengal and consisting principally of Vietnamese, Khmer, Mon, Khasi, Nicobarese, and the Munda languages.
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- 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.
- autocatharsis — a therapeutic process designed to free unconscious disturbances by having the patient write about his or her experiences, impressions, etc.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autographical — Relating to, or used in, the process of autography.
- autorickshaws — Plural form of autorickshaw.
- averruncation — the act of averting or turning away
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- back straight — a straight part of a circuit, esp of an athletics track or a racecourse, furthest from the finishing point
- 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
- backing track — a recorded instrumental or vocal accompaniment for a pop singer or pop number
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriocidal — Alternative spelling of bactericidal.
- bacteriogenic — Caused by bacteria.
- bacteriologic — a branch of microbiology dealing with the identification, study, and cultivation of bacteria and with their applications in medicine, agriculture, industry, and biotechnology.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriolysis — the destruction or disintegration of bacteria
- bacteriolytic — disintegration or dissolution of bacteria.
- bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
- bacteriophagy — the action of a bacteriophage
- bacterioscopy — the examination of bacteria with a microscope.
- bacteriostats — Plural form of bacteriostat.
- bacteriotoxin — any toxin that kills bacteria
- bacterization — subjection to bacterial action
- bag of tricks — a container or receptacle of leather, plastic, cloth, paper, etc., capable of being closed at the mouth; pouch.
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
- banister back — a back of a chair or the like, usually having semicircular spindles between the top rail and the cross rail or seat.
- barber's itch — any of various fungal infections of the bearded portion of the neck and face
- 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.
- barytocalcite — a mineral, double carbonate of calcium and barium, CaCO 3 ⋅BaCO 3 , usually found in veins of lead minerals.
- basic fortran — (language) A subset of Fortran.
- bass clarinet — a clarinet with the lowest range, in the octave below the B-flat clarinet
- batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
- battlecruiser — A large warship of a type built in the early 20th century, carrying similar armament to a battleship but faster and more lightly armored.
- behavioristic — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- best practice — Best practice is the way of running a business or providing a service that is recognized as correct or most effective.
- beta particle — a high-speed electron or positron emitted by a nucleus during radioactive decay or nuclear fission
- bibliothecary — a librarian
- biculturalism — the characteristics, or policy, of a two-cultured society
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- bioelectrical — relating to electrical current generated by biological activity
- biotic factor — a living thing, as an animal or plant, that influences or affects an ecosystem: How do humans affect other biotic factors? Weather is not a biotic factor because it is not alive.
- bird-watching — Bird-watching is the activity of watching and studying wild birds in their natural surroundings.