13-letter words containing n, a, c, r, e, o
- apperceptions — Plural form of apperception.
- apple-knocker — Northern U.S. a rustic.
- appreciations — Plural form of appreciation.
- 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.
- architectonic — denoting, relating to, or having architectural qualities
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arundinaceous — resembling a reed
- 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
- 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
- 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.
- 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.
- beyond recall — If something is beyond recall, it is no longer possible to remember how it was or to bring it back to its original condition.
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- bonanza creek — a stream in W Yukon Territory, Canada, flowing NW to the Klondike River near Dawson: gold strike 1896. 20 miles (32 km) long.
- boraginaceous — of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
- boron carbide — a black extremely hard inert substance having a high capture cross section for thermal neutrons. It is used as an abrasive, refractory, and in control rods in nuclear reactors. Formula: B4C
- bounce around — to spring back from a surface in a lively manner: The ball bounced off the wall.
- brace molding — keel1 (def 6).
- branch office — the local branch of a bank, shop, or other business
- breechloading — loaded at the breech.
- buoyant force — the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body.
- by contraries — contrary to what is expected
- café coronary — a fatal choking condition brought on when food, dentures, etc. lodge in a person's throat while he or she is eating: it is often misinterpreted as a heart attack
- calorifacient — (of foods) producing heat.
- camerapersons — Plural form of cameraperson.
- canary yellow — Something that is canary yellow is a light yellow in colour.
- cancerophobia — a morbid dread of being afflicted by cancer
- candleholders — Plural form of candleholder.
- cannon fodder — If someone in authority regards people they are in charge of as cannon fodder, they do not care if these people are harmed or lost in the course of their work.
- canon regular — a clergyman of certain religious communities following a monastic rule