13-letter words containing a, c, e, r, t
- architectures — Plural form of architecture.
- arctic circle — The Arctic Circle is an imaginary line drawn around the northern part of the world at approximately 66° North.
- aristocracies — Plural form of aristocracy.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arithmetician — a person skilled in arithmetic
- armistice day — the anniversary of the signing of the armistice that ended World War I, on Nov 11, 1918, now kept on Remembrance Sunday
- art collector — a person who collects works of art
- arthroscopies — Plural form of arthroscopy.
- artificialize — to render artificial
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- ascertainable — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- ascertainably — In a way that can be ascertained.
- ascertainment — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- atka mackerel — a commercially important ocean greenling (Pleurogrammus monopterygius) of the northern Pacific, esp. the area off the Aleutian Islands
- 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
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- baby snatcher — a person who steals a baby from its pram
- baccalaureate — The baccalaureate is an examination taken by students at the age of eighteen in France and some other countries.
- 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
- backscratcher — an implement with a long handle, used for scratching one's back
- 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
- balanced tree — (algorithm) An optimisation of a tree which aims to keep equal numbers of items on each subtree of each node so as to minimise the maximum path from the root to any leaf node. As items are inserted and deleted, the tree is restructured to keep the nodes balanced and the search paths uniform. Such an algorithm is appropriate where the overheads of the reorganisation on update are outweighed by the benefits of faster search. A B-tree is a kind of balanced tree that can have more than two subtrees at each node (i.e. one that is not restricted to being a binary tree).
- ballet dancer — a man or woman who takes part in ballet dancing, usually professionally
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules