18-letter words containing c, s, e, t, i
- 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
- australopithecines — Plural form of australopithecine.
- automatic exposure — the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism
- aviation insurance — Aviation insurance is insurance cover for aircraft, and for damage, injury, or loss of life or cargo while traveling on aircraft.
- axiological ethics — the branch of ethics dealing primarily with the relative goodness or value of the motives and end of any action.
- back in the saddle — at work again
- 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.
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- betsy griscom ross — Betsy Griscom [gris-kuh m] /ˈgrɪs kəm/ (Show IPA), 1752–1836, maker of the first U.S. flag.
- 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.
- biodiversification — the process by which the diversity of plants or animals develops or is increased within a particular region or group of organisms.
- biological parents — the biological mother and father of a child
- bird's-nest orchid — a brown parasitic Eurasian orchid, Neottia nidus-avis, whose thick fleshy roots resemble a bird's nest and contain a fungus on which the orchid feeds
- bitwise complement — The bitwise complement of a bit field is a bit field of the same length but with each zero changed to a one and vice versa. This is the same as the ones complement of a binary integer.
- biz-core stability — (security) Internet security products which secure the business core.
- black lives matter — a political and social movement originating among African Americans, emphasizing basic human rights and racial equality for black people and campaigning against various forms of racism. Abbreviations: BLM, B.L.M.
- 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)
- blue-plate special — an inexpensive restaurant meal served at a fixed price on a large plate, originally blue
- board of directors — A company's board of directors is the group of people elected by its shareholders to manage the company.
- board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
- borosilicate glass — any of a range of heat- and chemical-resistant glasses, such as Pyrex, prepared by fusing together boron(III) oxide, silicon dioxide, and, usually, a metal oxide
- breach of security — an act that violates a country, area, or building's security measures
- breathing exercise — an exercise intended to promote effective and healthy breathing and breath control
- brightness control — a control that enables the brightness of the image on a television screen, computer monitor, etc to be adjusted
- broadcasting house — any of a number of buildings in the UK from which the BBC broadcasts or has broadcast
- business education — education for general knowledge of business practices.
- cabernet sauvignon — a black grape originally grown in the Bordeaux area of France, and now throughout the wine-producing world
- call into question — to raise a question or doubt about
- 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)
- cape saint vincent — a headland at the SW extremity of Portugal: scene of several important naval battles, notably in 1797, when the British defeated the French and Spanish
- capital allowances — the money spent by a company on fixed assets which can be taken off the profits of the company before tax is imposed
- capital investment — the money that is invested in something
- capital punishment — Capital punishment is punishment which involves the legal killing of a person who has committed a serious crime such as murder.
- captain james cook — Frederick Albert, 1865–1940, U.S. physician and polar explorer.
- carisbrooke castle — a castle near Newport on the Isle of Wight: Charles I was held prisoner here from 1647 until his execution in 1649
- cash-for-questions — of, involved in, or relating to a scandal in which some MPs were accused of accepting bribes to ask particular questions in Parliament
- castration complex — an unconscious fear of having one's genitals removed, as a punishment for wishing to have sex with a parent
- casualty insurance — insurance providing coverage against accident and property damages, as automobile, theft, liability, and explosion insurance, but not including life insurance, fire insurance, or marine insurance.
- catalogue raisonne — a descriptive catalogue, esp one covering works of art in an exhibition or collection
- catalonian jasmine — a shrub, Jasminum grandiflorum, of India, having crimson-tinged, fragrant white flowers, grown as an ornamental and for perfume.
- catherine of siena — Saint. 1347–80, Italian mystic and ascetic; patron saint of the Dominican order. Feast day: April 29
- celestial guidance — the guidance of a spacecraft or missile by reference to the position of one or more celestial bodies
- celestial latitude — the angular distance of a celestial body north or south from the ecliptic
- celestial marriage — the rite or state of marriage, performed in a Mormon temple by the Church of Jesus Christ of Latter-day Saints and believed to continue beyond death.
- centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
- cesarean (section) — a surgical operation for delivering a baby by cutting through the mother's abdominal and uterine walls
- chambered nautilus — nautilus (def 1).