18-letter words containing d, a, s, i
- at one's wits' end — at a loss to know how to proceed
- at sb's right hand — If someone is at a person's right hand, they work closely with that person so they can help and advise them.
- at/from a distance — If you are at a distance from something, or if you see it or remember it from a distance, you are a long way away from it in space or time.
- 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.
- 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.
- avoirdupois weight — a British and American system of weights based on a pound of 16 ounces
- 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.
- ballistocardiogram — a tracing made by a ballistocardiograph
- 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
- bells and whistles — additional features or accessories which are nonessential but very attractive
- biodiversification — the process by which the diversity of plants or animals develops or is increased within a particular region or group of organisms.
- birds of a feather — If you refer to two people as birds of a feather, you mean that they have the same interests or are very similar.
- 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.
- board of examiners — a group of people who officially administer examinations
- bomb disposal unit — a unit of the police or armed services specializing in bomb disposal
- brazilian rosewood — a Brazilian tree, Dalbergia nigra, of the legume family.
- bread and circuses — something offered as a means of distracting attention from a problem or grievance
- brewer's blackbird — a blackbird, Euphagus cyanocephalus, of the U.S., the male of which has greenish-black plumage with a purplish-black head.
- bring-and-buy sale — A bring-and-buy sale is an informal sale to raise money for a charity or other organization. People who come to the sale bring things to be sold and buy things that other people have brought.
- british somaliland — a former British protectorate (1884–1960) in E Africa, on the Gulf of Aden: united with Italian Somaliland in 1960 to form Somalia (or the Somali Republic); in 1991 the self-styled republic of Somaliland, covering the same area as the former British Somaliland, declared itself independent and continues to function largely as a separate entity, though without international recognition
- broadcasting house — any of a number of buildings in the UK from which the BBC broadcasts or has broadcast
- bronchocandidiasis — See under candidiasis.
- building materials — materials such as bricks, cement, timber, etc
- business education — education for general knowledge of business practices.
- butler's sideboard — a sideboard, often with a fall front, having on its top a china cabinet with glazed doors.
- by fits and starts — spasmodically; without concerted effort
- camp david accords — a peace treaty between Israel and Egypt issuing from talks at Camp David between Egyptian President Sadat, Israeli Prime Minister Begin, and the host, U.S. President Carter: signed in 1979.
- 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)
- carbonic anhydrase — an enzyme in blood cells that catalyses the decomposition of carbonic acid into carbon dioxide and water, facilitating the transport of carbon dioxide from the tissues to the lungs
- carcinoid syndrome — the systemic effects, including flushing, palpitations, diarrhea, and cramps, resulting from increased blood levels of serotonin secreted by a carcinoid.
- cassini's division — the gap that divides Saturn's rings into two parts, discovered by Giovanni Domenico Cassini (1625–1712) in 1675
- 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
- centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
- chambered nautilus — nautilus (def 1).
- character disorder — a disorder characterized by socially undesirable behavior, as poor control of impulses or inability to maintain close emotional relationships, and by absence of anxiety or guilt.
- chickenheartedness — Alternative form of chicken-heartedness.
- children of israel — the Jews; Hebrews
- children's crusade — a crusade to recover Jerusalem from the Saracens, undertaken in 1212 by thousands of French and German children who perished, were sold into slavery, or were turned back.
- chinese water deer — a small Chinese or Korean deer, Hydropotes inermis, having tusks and no antlers: introduced into England and France
- christian democrat — a member or supporter of a Christian Democratic party
- christian endeavor — an organization of young people of various evangelical Protestant churches, formed in 1881 to promote Christian principles and service.
- christian reformed — of or relating to a Protestant denomination (Christian Reformed Church) organized in the U.S. in 1857 by groups that had seceded from the Dutch Reformed Church.
- christine de pisan — ?1364–?1430, French poet and prose writer, born in Venice. Her works include ballads, rondeaux, lays, and a biography of Charles V of France