17-letter words containing h, a, y, d, o, n
- adventure holiday — a holiday that involves some physically challenging activity such as canoeing, rock climbing, etc
- aerothermodynamic — Of or pertaining to aerothermodynamics.
- angiocardiography — the making of X-ray pictures of the heart and its blood vessels after injecting a radiopaque substance
- anthraquinone dye — any of the class of dyes derived from anthraquinone, used for dyeing textiles, especially cotton, rayon, and silk.
- ashton-under-lyne — a town in NW England, in Tameside unitary authority, Greater Manchester. Pop: 43 236 (2001)
- baby doll nightie — a short, frilly nightdress
- branch delay slot — delayed control-transfer
- carbonyl chloride — phosgene
- chancery division — (in England) the Lord Chancellor's court, now a division of the High Court of Justice
- charles henry dow — Charles Henry, 1851–1902, U.S. journalist and publisher: a founder of Dow Jones company.
- chartered company — a company formed for the purpose of exploration and colonization
- child pornography — pornography using a child or children as the subject.
- cyanogen chloride — a colorless, volatile, poisonous liquid, CNCl, used chiefly in the synthesis of compounds containing the cyano group.
- damon and pythias — two friends noted for their mutual loyalty. Damon offered himself as a hostage for Pythias, who was to be executed for treason by Dionysius of Syracuse. When Pythias returned to save his friend's life, he was pardoned
- dehydrochlorinase — an enzyme that catalyzes the removal of hydrogen and chlorine atoms or ions from chlorinated hydrocarbons.
- dehydrochlorinate — to remove hydrogen chloride or chlorine and hydrogen from (a substance).
- demythologization — The act of demythologizing, or something demythologized.
- dendroarchaeology — (archaeology) the science that uses dendrochronology to date wooden material from archaeological sites.
- dephosphorylation — the removal of a phosphate group from an organic compound, as in the changing of ATP to ADP.
- despotic monarchy — absolute monarchy.
- desynchronisation — (British spelling) Alternative form of desynchronization.
- desynchronization — to cause to indicate the same time, as one timepiece with another: Synchronize your watches.
- dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
- diphenylhydantoin — a white, slightly water-soluble powder, C 15 H 11 N 2 O 2 , used in the form of its sodium salt to prevent or arrest convulsions in epilepsy.
- dog and pony show — an elaborate sales, advertising, or publicity presentation or campaign.
- eastern orthodoxy — the faith, practice, membership, and government of the Eastern Orthodox Church.
- ethinyloestradiol — Alternative form of ethinylestradiol.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- homeland security — national defence
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- hypochondriacally — In a hypochondriacal manner.
- hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
- in broad daylight — openly, in full public view
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- lady of the night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
- lady-of-the-night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
- lymphadenopathies — Plural form of lymphadenopathy.
- method of payment — cash, credit card, cheque, etc.
- on the heavy side — tending to be too heavy
- one of these days — at some future time
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- phenylformic acid — benzoic acid.
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- pull your head in — be quiet!
- radiation therapy — x-rays used as treatment
- school playground — school's outdoor recreation area
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