19-letter words containing ac
- black carpet beetle — any of several small beetles of the family Dermestidae, the larvae of which are household pests, feeding on rugs and other woolen fabrics, especially Anthrenus scrophulariae (buffalo carpet beetle) and Attagenus piceus (black carpet beetle)
- black forest gateau — a chocolate sponge cake containing morello cherries and whipped cream, with a topping of chocolate icing
- black warrior river — a river in N central Alabama, flowing SW past Birmingham to the Tombigbee River. 178 miles (286 km) long.
- black-billed cuckoo — a black-billed North American cuckoo, Coccyzus erythropthalmus, that, unlike most cuckoos, constructs its own nest and rears its own young.
- black-billed magpie — either of two corvine birds, Pica pica (black-billed magpie) of Eurasia and North America, or P. nuttalli (yellow-billed magpie) of California, having long, graduated tails, black-and-white plumage, and noisy, mischievous habits.
- black-footed ferret — a musteline mammal, Mustela nigripes, of W North America, closely related to the weasels
- black-tailed godwit — a large wading bird with a very long beak, Limosa limosa, found in W and Central Europe, Africa, Asia, and Australasia
- blackbelly rosefish — a reddish scorpionfish, Helicolenus dactylopterus, inhabiting the deep waters of the western Atlantic Ocean.
- blackfellow's bread — the edible portion of a species of pore fungus, Polyporus mylittae, that occurs in Australia.
- blackstrap molasses — the molasses remaining after the maximum quantity of sugar has been extracted from the raw material
- boat-tailed grackle — a large grackle, Quiscalus major, of the southeastern U.S., that folds its tail into a shape resembling the keel of a boat.
- bracket abstraction — (compiler) An algorithm which turns a term into a function of some variable. The result of using bracket abstraction on T with respect to variable v, written as [v]T, is a term containing no occurrences of v and denoting a function f such that f v = T. This defines the function f = (\ v . T). Using bracket abstraction and currying we can define a language without bound variables in which the only operation is monadic function application. See combinator.
- breach of the peace — A breach of the peace is noisy or violent behaviour in a public place which is illegal because it disturbs other people.
- bug tracking system — (programming) (BTS) A system for receiving and filing bugs reported against a software project, and tracking those bugs until they are fixed. Most major software projects have their own BTS, the source code of which is often available for use by other projects. Well known BTSs include GNATS, Bugzilla, and Debbugs.
- building contractor — an individual or company that contracts for the construction of houses, etc
- business accounting — the keeping of detailed accounts relating to a business or businesses
- calculating machine — calculator (sense 3)
- capacitive coupling — the connection of two or more circuits by means of a capacitor.
- capacity attendance — a situation when a venue for an event is as full as it can be
- captain abstraction — The champion of the principles of abstraction and modularity, who protects unwary students on MIT's course 6.001 from the nefarious designs of Sergeant Spaghetticode and his vile concrete programming practices. See also spaghetti code.
- caroline of ansbach — 1683–1737, wife of George II of Great Britain
- catch sb in the act — If you catch someone in the act, you discover them doing something wrong or committing a crime.
- caterpillar tractor — a tractor powered by a Caterpillar track
- chain-reacting pile — nuclear reactor
- character generator — a device used in television studios to incorporate text or other symbols into the television screen image.
- character reference — a testimonial from an employer or acquaintance testifying to a person's good character
- characteristic root — a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
- chinese sacred lily — a Chinese amaryllidaceous plant, Narcissus tazetta orientalis, widely grown as a house plant for its fragrant yellow and white flowers
- chloroplatinic acid — a red-brown, crystalline, water-soluble solid, H 2 PtCl 6 ⋅6H 2 O, used chiefly in platinizing glass, metals, and ceramic ware.
- chlorosulfonic acid — a colorless or yellowish, highly corrosive, pungent liquid, HClO 3 S, usually produced by treating sulfur trioxide with hydrogen chloride: used in organic synthesis to introduce the sulfonyl chloride group, =SO 2 Cl.
- christian democracy — the beliefs, principles, practices, or programme of a Christian Democratic party
- class action (suit) — a legal action brought by one or more persons on behalf of themselves and a much larger group, all of whom have the same grounds for action
- coded character set — (character, standard) A mapping, generally 1:1, from a set of integers, known as character codes or code positions, to a set of characters that may include letters, digits, punctuation, control codes, mathematical and typographic symbols. There are several standard coded character sets, the most widely used is ASCII, generally in its Latin-1 dialect, with Unicode becoming slowly more common; while EBCDIC and Baudot are extinct except in legacy systems.
- come to the surface — to emerge; become apparent
- comminuted fracture — a fracture in which the bone is splintered or fragmented
- common iliac artery — iliac artery (def 1).
- common-iliac-artery — Also called common iliac artery. either of two large arteries that conduct blood to the pelvis and the legs.
- compact disc player — a machine for playing compact discs
- compact disc writer — (storage) (CD burner) A device that can write data to Compact Disc Recordable (CD-R) or Compact Disc Rewritable (CD-RW) discs. Now both these CD formats are often combined with a DVD writer.
- compact disk player — a device for playing compact disks.
- contact insecticide — an insecticide that kills on contact, rather than after ingestion or absorption
- continental glacier — a glacier that spreads out from a central mass
- contract programmer — (job, programming) A programmer who works on a fixed-length or temporary contract, and is often employed to write certain types of code or to work on a specific project. Despite the fact that contractors usually cost more than hiring a permanent employee with the same skills, it is common for organisations to employ them for extended periods, sometimes renewing their contracts for many years, due to lack of certainty about the future or simple lack of planning. A contract programmer may be independent or they may work in a supplier's professional services department, providing consultancy and programming services for the supplier's products.
- contractile vacuole — a membrane-enveloped cellular organelle, found in many microorganisms, that periodically expands, filling with water, and then contracts, expelling its contents to the cell exterior: thought to be important in maintaining hydrostatic equilibrium.
- contributing factor — something that is partly responsible for a development or phenomenon
- convective activity — any manifestation of convection in the atmosphere, as hail or thunderstorms.
- core protocol stack — (architecture) 1. A portion of the Web Services architecture for defining and describing various Web Services. 2. The architectural protocol layers of a Bluetooth wireless communication system, comprising the Host Control Interface (HCI), Logical Link Control and Adaptation Protocol (L2CAP), RS232 Serial Cable Emulation Profile (RFCOMM), Service Discovery Protocol (SDP), and Object Exchange (OBEX).
- cracked compression — Cracked compression is a separation process for separating hydrocarbons further, with an increase in the pressure of the cracked gas.
- cracked gas cooling — Cracked gas cooling is a process in which the temperature of a cracked gas is reduced in order to separate it into different product streams.
- creative accounting — Creative accounting is when companies present or organize their accounts in such a way that they gain money for themselves or give a false impression of their profits.