18-letter words containing d, r, y, n
- disproportionately — not proportionate; out of proportion, as in size or number.
- distress frequency — a radio frequency band reserved for emergency signals from aircraft or ships in distress.
- doctype decoration — (humour) When a web author adds a doctype declaration but doesn't bother to write valid HTML.
- dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
- duchenne dystrophy — the most common form of muscular dystrophy, usually affecting only boys
- duty-free shopping — the making of duty-free purchases
- each and every one — all
- electrodynamometer — An instrument that measures electric current by indicating the strength of repulsion or attraction between the magnetic fields of two sets of coils, one fixed and one movable.
- elementary student — primary school pupil
- every now and then — from time to time; occasionally
- expected frequency — the number of occasions on which an event may be presumed to occur on average in a given number of trials
- fast-food industry — the industry surrounding fast-food restaurants
- fatty degeneration — deterioration of the cells of the body, accompanied by the formation of fat globules within the diseased cells.
- five hundred rummy — a variety of rummy in which the winner is the first player to score 500 points.
- fixed-term tenancy — a tenancy arrangement for a particular and fixed period
- fragile x syndrome — a widespread form of mental retardation caused by a faulty gene on the X chromosome.
- fragile-x syndrome — an inherited condition characterized by learning disability: affected individuals have an X-chromosome that is easily damaged under certain conditions
- gastroduodenostomy — See under gastroenterostomy.
- geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
- go down in history — If someone or something goes down in history, people in the future remember them because of particular actions that they have done or because of particular events that have happened.
- golden opportunity — perfect chance
- graduated cylinder — a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.
- grand canyon state — Arizona (used as a nickname).
- grand penitentiary — See under penitentiary (def 3).
- grand traverse bay — an inlet of Lake Michigan on the NW of the Lower Peninsula of Michigan.
- great sandy desert — a desert in NW Australia. About 300 miles (485 km) long; 500 miles (800 km) wide; about 160,000 sq. mi. (414,400 sq. km).
- green-eyed monster — jealousy: Othello fell under the sway of the green-eyed monster.
- growing degree-day — a degree-day above 41°F (5°C), used in relation to plant growth.
- hardy-weinberg law — a principle stating that in an infinitely large, randomly mating population in which selection, migration, and mutation do not occur, the frequencies of alleles and genotypes do not change from generation to generation.
- heating degree-day — a degree-day below the standard temperature of 65°F or 19°C, used in estimating fuel consumption.
- honorable ordinary — any of the ordinaries believed to be among those that are oldest or that were the source of the other ordinaries, as the chief, pale, fess, bend, chevron, cross, and saltire.
- hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
- hundred years' war — the series of wars between England and France, 1337–1453, in which England lost all its possessions in France except Calais.
- hydrocinnamic acid — a white crystalline compound, C 9 H 10 O 2 , with a floral odor, used in perfumes and flavoring.
- hydrofluorocarbons — Plural form of hydrofluorocarbon.
- hydrogen electrode — a standard reference electrode with a potential of zero, used in pH measurements, consisting of a platinum-black surface covered with hydrogen bubbles.
- hydroxychloroquine — a colorless crystalline solid, C 18 H 26 ClN 3 O, used in the treatment of malaria, lupus erythematosus, and rheumatoid arthritis.
- hydroxynaphthalene — naphthol.
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyperaldosteronism — aldosteronism.
- hypermodern school — a style of chess characterized by control of the centre from the flanks
- hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
- in your mind's eye — If you see something in your mind's eye, you imagine it and have a clear picture of it in your mind.
- indiscriminatingly — In an indiscriminating manner.
- individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
- indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
- induction ceremony — a ceremony held to mark a person's formal introduction or entry into an office, position, group, etc
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
- infrared astronomy — the study of infrared radiation emitted by celestial objects.