13-letter words containing a, c, r, o, t, e
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archaeometric — relating to archaeometry
- archaeopteryx — any of several extinct primitive birds constituting the genus Archaeopteryx, esp A. lithographica, which occurred in Jurassic times and had teeth, a long tail, well-developed wings, and a body covering of feathers
- archeologists — archaeology.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- architectonic — denoting, relating to, or having architectural qualities
- aristocracies — Plural form of aristocracy.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- art collector — a person who collects works of art
- arthroscopies — Plural form of arthroscopy.
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- 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
- atroceruleous — a deep blue-black color.
- atrociousness — The state of being atrocious.
- auctioneering — Present participle of auctioneer.
- authenticator — a person or thing that authenticates.
- auto-destruct — self-destruct.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autoprojector — (theory) A self-applicable partial evaluator.
- averruncation — the act of averting or turning away
- bachelor flat — a flat lived in, or intended for a bachelor
- bachelorettes — Plural form of bachelorette.
- 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
- 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
- barcoo salute — a movement of the hand to brush flies away from the face
- baritone clef — an F clef locating F below middle C on the third line of the staff.
- baroreceptors — Plural form of baroreceptor.
- barytocalcite — a mineral, double carbonate of calcium and barium, CaCO 3 ⋅BaCO 3 , usually found in veins of lead minerals.
- basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- batch-process — to perform batch processing on (files)
- 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.