18-letter words containing p, r, o, b, s
- aarp probe packets — (networking) AARP packets sent out on a nonextended AppleTalk network to discover whether a randomly selected node ID is being used by any node. If not, the sending node uses the node ID. If so, it chooses a different ID and sends more AARP probe packets.
- absorption costing — a method of cost accounting in which overheads are apportioned to cost centres, where they are absorbed using predetermined rates
- almoner's cupboard — a cupboard with pierced doors, formerly used as a storage place for food.
- as far as possible — to the greatest possible extent
- assignment problem — (mathematics, algorithm) (Or "linear assignment") Any problem involving minimising the sum of C(a, b) over a set P of pairs (a, b) where a is an element of some set A and b is an element of set B, and C is some function, under constraints such as "each element of A must appear exactly once in P" or similarly for B, or both. For example, the a's could be workers and the b's projects. The problem is "linear" because the "cost function" C() depends only on the particular pairing (a, b) and is independent of all other pairings.
- barbershop quartet — a group of four singers who perform a style of music sung in four-part harmony
- baritone saxophone — the second lowest instrument in the family of saxophones
- before the present — See B.P (def 4).
- behaviour patterns — the characteristic ways in which a person or animal acts
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- bichromate process — any of several methods of photography in which the light-sensitive medium is alkaline bichromate associated with a colloid such as gum, albumen, or gelatin.
- biological parents — the biological mother and father of a child
- bipolar transistor — (electronics) A transistor made from a sandwich of n- and p-type semiconductor material: either npn or pnp. The middle section is known as the "base" and the other two as the "collector" and "emitter". When used as an amplifying element, the base to emitter junction is in a "forward-biased" (conducting) condition, and the base to collector junction is "reverse-biased" or non-conducting. Small changes in the base to emitter current (the input signal) cause either holes (for pnp devices) or free electrons (for npn) to enter the base from the emitter. The attracting voltage of the collector causes the majority of these charges to cross into and be collected by the collector, resulting in amplification. Contrast field effect transistor.
- bore the pants off — to bore extremely
- burkitt's lymphoma — a cancer characterized by tumors containing lymphoid cells, occurring esp. in children, in the jaw, eyes, and internal organs: it is associated with the Epstein-Barr virus
- cape breton island — an island off SE Canada, in NE Nova Scotia, separated from the mainland by the Strait of Canso: its easternmost point is Cape Breton. Pop: 132 298 (2006). Area: 10 280 sq km (3970 sq miles)
- claustrophobically — In a claustrophobic way.
- comb-footed spider — any of numerous spiders constituting the family Theridiidae, having a comblike row of bristles on the tarsi of the hind legs.
- complementary base — either of the nucleotide bases linked by a hydrogen bond on opposite strands of DNA or double-stranded RNA: guanine is the complementary base of cytosine, and adenine is the complementary base of thymine in DNA and of uracil in RNA.
- composition rubber — manufactured rubber
- comprehensibleness — The quality of being comprehensible; comprehensibility.
- connected subgraph — (mathematics) A connected graph consisting of a subset of the nodes and edges of some other graph.
- corpus christi bay — a bay in S Texas, at the mouth of the Nueces River.
- correspondent bank — A correspondent bank is a bank that provides services such as accepting deposits for another bank.
- depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
- double-page spread — two pages treated as one in a publication, with images or text extending across the binding
- football supporter — a person who supports a particular football team
- great pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- hamilton's problem — Hamiltonian problem
- hypophysis cerebri — the master endocrine gland, attached by a stalk to the base of the brain.
- impressionableness — The quality of being impressionable.
- irreproachableness — The quality or state of being irreproachable; integrity; innocence.
- irresponsibilities — said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
- low blood pressure — hypotension.
- lubber grasshopper — plains grasshopper.
- membrane transport — the process by which physiologically important substances, such as calcium ions, sugars, etc, are conveyed across a biological membrane
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- non-responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
- one's number is up — one is finished; one is ruined or about to die
- open pandora's box — If someone or something opens Pandora's box or opens a Pandora's box, they do something that causes a lot of problems to appear that did not exist or were not known about before.
- passive vocabulary — all the words, collectively, that a person can understand
- personal bodyguard — a person employed to protect a particular person
- petite bourgeoisie — the portion of the bourgeoisie having the least wealth and lowest social status; the lower middle class.
- prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
- price on sb's head — If there is a price on someone 's head, an amount of money has been offered for the capture or killing of that person.
- productivity bonus — an extra payment made to workers for being more productive or yielding more favourable results than normal
- prometheus unbound — a drama in verse (1820) by Shelley.
- protease inhibitor — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- pseudotuberculosis — an acute, sometimes fatal disease of rodents, birds, and other animals, including humans, caused by the bacterium Yersinia (Pasteurella) pseudotuberculosis, and characterized by the formation of nodules resembling those that result from tuberculosis.
- pulmonary embolism — the blockage of a pulmonary artery, often by a blood clot, that stops the flow of blood to the lungs and which can result in death if untreated
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