18-letter words containing d, r, i, n
- antiprostaglandins — Plural form of antiprostaglandin.
- antiscorbutic acid — vitamin C
- apartment building — An apartment building or apartment house is a tall building which contains different apartments on different floors.
- apparent magnitude — magnitude (sense 3)
- appraisal drilling — (in the oil industry) drilling carried out once oil or gas has been discovered in order to assess the extent of the field, the reserves, the possible rate of production, and the properties of the oil or gas
- armed intervention — an official response to a situation which involves the armed forces
- arsenic trisulfide — a yellow or red crystalline substance, As 2 S 3 , occurring in nature as the mineral orpiment, and used as a pigment (king's yellow) and in pyrotechnics.
- as near as damn it — as near as possible; very near
- 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
- attendance officer — someone whose job is to keep records of students' attendance at school and to encourage students to attend
- audio conferencing — the practice of conducting meetings by the use of audio telecommunications
- auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
- augmented interval — an interval that is a half step greater than the corresponding major or perfect interval
- 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
- background reading — reading of related works in order to get contextual information on a topic that you are intending to study or write about
- 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
- bedlington terrier — a lithe, graceful breed of terrier having a long tapering head with no stop and a thick fleecy coat
- berwick-upon-tweed — a town in N England, in N Northumberland at the mouth of the Tweed: much involved in border disputes between England and Scotland between the 12th and 16th centuries; neutral territory 1551–1885. Pop: 12 870 (2001)
- biodiversification — the process by which the diversity of plants or animals develops or is increased within a particular region or group of organisms.
- bird's-nest fungus — any fungus of the family Nidulariaceae, having a nestlike spore-producing body containing egglike spore-filled structures
- 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
- bloodbrain barrier — a layer of tightly packed cells that make up the walls of brain capillaries and prevent substances in the blood from diffusing freely into the brain: passage across the cell membranes is determined by solubility in the lipid bilayer or recognition by a transport molecule.
- board of education — a group or agency with responsibility for education
- 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
- boundary condition — a stated restriction, usually in the form of an equation, that limits the possible solutions to a differential equation.
- 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
- 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.
- briquet's syndrome — somatization disorder.
- 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
- burn one's bridges — If you burn your bridges, you do something which forces you to continue with a particular course of action, and makes it impossible for you to return to an earlier situation or relationship.
- by fits and starts — spasmodically; without concerted effort
- 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
- carbonic-anhydride — carbon dioxide.
- carcinoid syndrome — the systemic effects, including flushing, palpitations, diarrhea, and cramps, resulting from increased blood levels of serotonin secreted by a carcinoid.
- carolina chickadee — a chickadee, Parus carolinensis, of the southeastern U.S., resembling but smaller than the black-capped chickadee.
- cationic detergent — a type of detergent in which the active part of the molecule is a positive ion (cation). Cationic detergents are usually quaternary ammonium salts and often also have bactericidal properties
- ceiling decoration — a plaster moulding for the centre of a ceiling; other decoration, such as coving
- centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
- cerebral dominance — the normal tendency for one half of the brain, usually the left cerebral hemisphere in right-handed people, to exercise more control over certain functions (e.g. handedness and language) than the other
- cerenkov radiation — radiation emitted when a charged particle travels through a medium at a speed greater than the speed of light through that medium