17-letter words containing r, s
- australian salute — a movement of the hand and arm made to brush flies away from one's face
- australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
- authoritativeness — having due authority; having the sanction or weight of authority: an authoritative opinion.
- auxiliary storage — secondary storage.
- average seek time — (storage) The mean time it takes to move the head of a disk drive from one track to another, averaged over the source and destination cylinders. Usually measured in milliseconds (ms). The average seek time gives a good measure of the speed of the drive in a multi-user environment where successive read/write request are largely uncorrelated. Ten ms is common for a hard disk and 200 ms for an eight-speed CD-ROM.
- aviation industry — a collective term for the companies involved in air transport
- avogadro constant — the number of atoms or molecules in a mole of a substance
- avogadro's number — the constant, 6.022 × 10 23 , representing the number of atoms, molecules, or ions in one mole of a substance. Symbol: N. Compare gram-atom, gram molecule.
- avoirdupois pound — a pound weighing 16 ounces
- axis of ordinates — y-axis (def 1).
- axis-of-ordinates — y-axis (def 1).
- babi yar symphony — a symphony (1962) by Dimitri Dimitrievich Shostakovich.
- babinski's reflex — a reflex extension of the great toe with flexion of the other toes, evoked by stroking the sole of the foot: normal in infants but otherwise denoting central nervous system damage.
- bachelor's button — any of several plants of a genus (Centaurea) of the composite family, that have scaly, vase-shaped bracts below the white, pink, or blue flowers; esp., the cornflower and knapweed
- bachelor's degree — A bachelor's degree is a first degree awarded by universities.
- bachelor's-button — any of various plants with round flower heads, especially the cornflower.
- back on the rails — If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
- backward analysis — (theory) An analysis to determine properties of the inputs of a program from properties or context of the outputs. E.g. if the output of this function is needed then this argument is needed. Compare forward analysis.
- bacon's rebellion — an unsuccessful uprising by frontiersmen in Virginia in 1676, led by Nathaniel Bacon against the colonial government in Jamestown.
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- baggage screening — the procedure whereby baggage is electronically screened at an airport before it is allowed on the plane
- bankruptcy estate — all of the interests that a debtor has at the start of a bankruptcy case
- barbed-wire grass — an aromatic grass, Cymbopogon refractus, with groups of seed heads resembling barbed wire
- barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
- barchester towers — a novel (1857) by Anthony Trollope.
- barkhausen effect — the phenomenon of short, sudden changes in the magnetism of a ferromagnetic substance occurring when the intensity of the magnetizing field is continuously altered.
- barmecide (feast) — a pretended feast with no food
- barrel distortion — distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards
- barren strawberry — a Eurasian plant, Potentilla sterilis, related to the strawberry that does not produce edible fruit
- barrow-in-furness — an industrial town in NW England, in S Cumbria. Pop: 47 194 (2001)
- bartholin's gland — either of two small glands near the vaginal opening: during sexual excitement they secrete a mucous lubricating substance
- base lending rate — a minimum interest rate on which financial institutions base the rates they use for lending
- base rate fallacy — the tendency, when making judgments of the probability with which an event will occur, to ignore the base rate and to concentrate on other information
- baseboard heating — a heating system by pipes, through which steam or hot water circulates, near the base of the walls of rooms
- basement membrane — a thin, extracellular membrane underlying epithelial tissue.
- basic proposition — protocol (def 6).
- basic service set — (networking) (BSS) A wireless local area network and all the wireless devices (e.g. PCs and laptops) that are associated with it. A BSS may or may not include an access point and is identified by a BSSID.
- basketball player — someone who plays basketball
- bathroom fittings — plumbing fixtures or accessories suitable for use in a bathroom
- be a box of birds — to be very well indeed
- be on tenterhooks — If you are on tenterhooks, you are very nervous and excited because you are wondering what is going to happen in a particular situation.
- be over sb's head — If something such as an idea, joke, or comment goes over someone's head, it is too difficult for them to understand.
- be running scared — If you say that a person or group is running scared, you mean that they are frightened of what someone might do to them or what might happen.
- be sitting pretty — If you say that someone is sitting pretty, you mean that they are in a good, safe, or comfortable position.
- be well rid of sb — If you say that someone is well rid of someone, you think it is good that the person has gone because you did not like them or you think they caused a lot of problems.
- beat a dead horse — to argue an issue that is already settled
- beat one's brains — to try hard to remember, understand, or solve something
- beat one's breast — to display guilt and remorse publicly or ostentatiously
- bed and breakfast — Bed and breakfast is a system of accommodation in a hotel or guest house, in which you pay for a room for the night and for breakfast the following morning. The abbreviation B&B is also used.
- bed-and-breakfast — an accommodation offered by an inn, hotel, or especially a private home, consisting of a room for the night and breakfast the next morning for one inclusive price.