13-letter words containing r, a, c, e, n
- arachnephobia — Misspelling of arachnophobia.
- 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
- archaeologian — (archaic) An archaeologist.
- archie bunker — a poorly educated blue-collar worker, holding ultraconservative, racist, and male-chauvinist opinions.
- archimandrite — the head of a monastery or a group of monasteries
- architectonic — denoting, relating to, or having architectural qualities
- arcus senilis — an opaque circle around the cornea of the eye, often seen in elderly people
- arias sanchez — Oscar. born 1940, Costa Rican statesman; president (1986–90, 2006–2010); Nobel peace prize 1987
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arithmetician — a person skilled in arithmetic
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arundinaceous — resembling a reed
- 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.
- aschaffenburg — a city in Germany, on the River Main in Bavaria: seat of the Imperial Diet (1447); ceded to Bavaria in 1814. Pop: 68 607 (2003 est)
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- atrociousness — The state of being atrocious.
- auctioneering — Present participle of auctioneer.
- 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.
- averruncation — the act of averting or turning away
- baby snatcher — a person who steals a baby from its pram
- back-breaking — Back-breaking work involves a lot of hard physical effort.
- backgrounders — Plural form of backgrounder.
- 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.
- 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
- 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
- bancassurance — the selling of insurance products by a bank to its customers
- 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
- banister back — a back of a chair or the like, usually having semicircular spindles between the top rail and the cross rail or seat.
- barefacedness — The state or quality of being barefaced.
- bargain price — a low price
- baritone clef — an F clef locating F below middle C on the third line of the staff.
- barnacle code — (programming, humour) Any piece of code (usually a static method) that has been appended to a class where it doesn't logically belong, due to a lack of anywhere else to put it.
- 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.
- bass clarinet — a clarinet with the lowest range, in the octave below the B-flat clarinet
- beanbag chair — a chair like a large beanbag covered with vinyl, fabric, etc. and filled with foam pellets, as of polystyrene, that shift about to fit one's body
- bench warrant — a warrant issued by a judge or court directing that an offender be apprehended
- beneficiary's — a person or group that receives benefits, profits, or advantages.
- berchtesgaden — a town in Germany, in SE Bavaria: site of the fortified mountain retreat of Adolf Hitler. Pop: 7667 (2003 est)
- beta carotene — a yellowish form of carotene: a dietary deficiency of this is associated with a greater risk of certain cancers
- beta-carotene — the most abundant of various isomers of carotene, C 40 H 56 , that can be converted by the body to vitamin A.