20-letter words containing o, p, h, t
- continuum hypothesis — the assertion that there is no set whose cardinality is greater than that of the integers and smaller than that of the reals
- craniosacral therapy — a form of therapy for various disorders in which the therapist manipulates the bones of the skull
- cross someone's path — to meet or thwart someone
- decahydronaphthalene — a colorless, aromatic liquid, C 10 H 18 , insoluble in water and soluble in alcohol and ether: used as a solvent for oils, fats, etc., in cleaning fluids, lubricants, etc.
- deep vein thrombosis — Deep vein thrombosis is a serious medical condition caused by blood clots in the legs moving up to the lungs. The abbreviation DVT is also used.
- deep-vein thrombosis — a condition in which a blood clot forms in a vein deep beneath the skin, typically in the leg or pelvic area: Immobility and lack of exercise are risk factors for deep-vein thrombosis.
- demographic timebomb — a predicted shortage of school-leavers and consequently of available workers, caused by an earlier drop in the birth rate, resulting in an older workforce
- department of health — government ministry for health matters
- diabetic retinopathy — a disorder of the blood vessels of the retina occurring as a complication of poorly controlled diabetes mellitus and often leading to blindness.
- diammonium phosphate — a white, crystalline, water-soluble compound, (NH 4) 2 HPO 4 , used as fertilizer, in fire extinguishers, etc.
- diisobutyl phthalate — a clear, colorless liquid, C 14 H 26 O 4 , used chiefly as a plasticizer for nitrocellulose.
- diophantine analysis — any of several methods for finding integral solutions for equations with more than one variable whose coefficients are integers.
- diophantine equation — an equation involving more than one variable in which the coefficients of the variables are integers and for which integral solutions are sought.
- diphenylene diketone — a compound used in dye manufacture
- doctor of philosophy — Also called doctorate. the highest degree awarded by a graduate school, usually to a person who has completed at least three years of graduate study and a dissertation approved by a board of professors.
- double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
- eight queens problem — eight queens puzzle
- electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
- electroencephalogram — A test or record of brain activity produced by electroencephalography.
- electrophysiological — Of or pertaining to electrophysiology.
- electroshock therapy — a form of shock therapy in which electric current is applied to the brain
- elephant in the room — an obvious truth deliberately ignored by all parties in a situation
- father of the chapel — (in British trade unions in the publishing and printing industries) a shop steward
- feather in one's cap — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
- first-person shooter — a type of video game in which the player assumes the field of vision of the protagonist, so that the game camera includes the character's weapon, but the rest of the character model is not seen. Abbreviation: FPS.
- floodlight projector — a powerful lamp having a reflector curved to produce a floodlight.
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- freedom of the press — the right to publish newspapers, magazines, and other printed matter without governmental restriction and subject only to the laws of libel, obscenity, sedition, etc.
- freight pass-through — a special allowance or discounted price given a bookseller or bookstore by a publishing house for paying the freight charge on a shipment of books ordered: so called because the shipping charge is passed on to the consumer by an increase in the suggested retail price for each book. Abbreviation: FPT.
- gaff-topsail catfish — a sea catfish, Bagre marinus, occurring in the Atlantic and the Gulf of Mexico from Cape Cod to Panama, and having the spine of the dorsal fin greatly prolonged and flattened.
- generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
- get one's hackles up — to become tense with anger; bristle
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- go like the clappers — to move extremely fast
- graphics accelerator — (graphics, hardware) Hardware (often an extra circuit board) to perform tasks such as plotting lines and surfaces in two or three dimensions, filling, shading and hidden line removal.
- hampton court palace — a royal palace in Hampton, London, built in 1515 by Cardinal Wolsey
- happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
- hate a person's guts — to dislike a person very strongly
- he's no oil painting — he is not good-looking
- heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
- helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- hieroglyphic hittite — an extinct language of the Anatolian branch of Indo-European, written in a pictographic script in Syria c1200–c600 b.c.: the same language as written in cuneiform in Anatolia is known as Luwian.
- hit the panic button — an alarm button for use in an emergency, as to summon help.
- holy water sprinkler — morning star (def 2).
- horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
- hospitality industry — the hotel and accommodation industry
- houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
- human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
- hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.