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18-letter words containing s, a, t, n

  • atmospheric engine — an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder.
  • atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
  • attendance figures — the number of people present at events such as football matches or concerts
  • auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
  • australian doubles — an unusual formation in doubles in which the server's partner is positioned on the same side of the court as the server.
  • australian terrier — a small wire-haired breed of terrier similar to the cairn
  • australopithecines — Plural form of australopithecine.
  • authorized version — the revised English translation of the Bible published in England in 1611 with the authorization of King James I
  • autoimmune disease — a disease resulting from a disordered immune reaction in which antibodies are produced against one's own tissues, as systemic lupus erythematosus or rheumatoid arthritis.
  • autonomous phoneme — a phoneme that is defined or determined by its contrast in sound with other phonemes, without reference to its role in morphology or any other level of linguistic analysis beyond the phonetic level.
  • aviation insurance — Aviation insurance is insurance cover for aircraft, and for damage, injury, or loss of life or cargo while traveling on aircraft.
  • axis of revolution — an axis in a plane, about which an area is revolved to form a solid of revolution.
  • bachelor's-buttons — any of various plants of the daisy family with button-like flower heads
  • back in the saddle — at work again
  • back to square one — If you are back to square one, you have to start dealing with something from the beginning again because the way you were dealing with it has failed.
  • ballistic pendulum — a device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass.
  • banded rattlesnake — timber rattlesnake.
  • bankers-acceptance — a draft or bill of exchange that a bank has accepted. Abbreviation: BA. Also called banker's acceptance. Compare acceptance (def 6).
  • baritone saxophone — the second lowest instrument in the family of saxophones
  • bartholin's glands — two small reddish-yellow glands, one on each side of the vaginal orifice, that secrete a mucous lubricating substance during sexual stimulation in females
  • basal conglomerate — a conglomerate deposited on an erosion surface and constituting the bottom layer of a stratigraphic series.
  • basement apartment — an apartment below the ground floor of a building
  • basket-handle arch — an arch having a symmetrical form drawn from an odd number of radii in excess of one, which increase in length from the springing toward the center.
  • bats-in-the-belfry — a hairy Eurasian campanulaceous plant, Campanula trachelium, with bell-shaped blue-purple flowers
  • battleground-state — a state of the U.S. in which the Democratic and Republican candidates both have a good chance of winning and that is considered key to the outcome of a presidential election: the swing states of Ohio and Indiana.
  • behaviour patterns — the characteristic ways in which a person or animal acts
  • bells and whistles — additional features or accessories which are nonessential but very attractive
  • benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
  • bill of quantities — a document drawn up by a quantity surveyor providing details of the prices, dimensions, etc, of the materials required to build a large structure, such as a factory
  • biodiversification — the process by which the diversity of plants or animals develops or is increased within a particular region or group of organisms.
  • bioinstrumentation — the use of instruments, as sensors, to detect and measure certain body functions, as of persons in spaceflight, and transmit the data to a point where it is evaluated
  • 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.
  • black-necked stork — a large Australian stork, Xenorhyncus asiaticus, having a white plumage, dark green back and tail, and red legs
  • blanche of castile — ?1188–1252, queen consort (1223–26) of Louis VIII of France, born in Spain. The mother of Louis IX, she acted as regent during his minority (1226–36) and his absence on a crusade (1248–52)
  • board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
  • boltzmann constant — the ratio of the gas constant to the Avogadro constant, equal to 1.380 650 × 10–23 joule per kelvin
  • bomb disposal unit — a unit of the police or armed services specializing in bomb disposal
  • boole's inequality — the theorem that the probability of several events occurring is less than or equal to the sum of the probabilities of each event occurring.
  • bore the pants off — to bore extremely
  • boston baked beans — haricot beans baked with belly pork and molasses
  • boston brown bread — a dark, sweetened, steamed bread made of cornmeal, rye or wheat flour, etc., and molasses
  • bottle-nosed whale — any of various beaked whales of the family Hyperoodontidae, characterized by a bulbous forehead, especially Hyperoodon ampullatus of the North Atlantic.
  • bounty-fed farmers — farmers who benefit from subsidies
  • branch instruction — a machine-language or assembly-language instruction that causes the computer to branch to another instruction
  • branch to fishkill — (IBM: from the location of one of the corporation's facilities) Any unexpected jump in a program that produces catastrophic or just plain weird results. See jump off into never-never land, hyperspace.
  • breast enhancement — a surgical procedure to increase the size of a woman's breasts
  • breast enlargement — a surgical procedure to increase the size of a woman's breasts
  • breathe one's last — When someone breathes their last, they die.
  • breathing exercise — an exercise intended to promote effective and healthy breathing and breath control
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