17-letter words containing h, o, t, d, r, a
- 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).
- icositetrahedrons — Plural form of icositetrahedron.
- in broad daylight — openly, in full public view
- in the background — behind the focus of attention
- in/with regard to — You can use with regard to or in regard to to indicate the subject that is being talked or written about.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- intermediate host — the host in which a parasite undergoes development but does not reach sexual maturity.
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- lagrange's method — a procedure for finding maximum and minimum values of a function of several variables when the variables are restricted by additional conditions.
- le morte d'arthur — a compilation and translation of French Arthurian romances by Sir Thomas Malory, printed by Caxton in 1485.
- lead to the altar — to marry
- life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
- loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
- manufactured home — a prefabricated house, assembled in modular sections.
- merchant of death — a company, nation, or person that sells military arms on the international market, usually to the highest bidder and without scruple or regard for political ramifications.
- mitochondrial dna — DNA found in mitochondria, which contains some structural genes and is generally inherited only through the female line
- modern pentathlon — an athletic contest consisting of five different events: horse riding with jumps, fencing with electric épée, freestyle swimming, pistol shooting, and cross-country running
- modulo arithmetic — modular arithmetic
- nitroxanthic acid — picric acid.
- northern rhodesia — former name of Zambia.
- northern sporades — a group of Greek islands in the Aegean, lying northeast of Euboea
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
- on the barrelhead — upon being presented for sale; at the time of delivery
- on the other hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- orthovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts. Formula: H3VO4
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- parathyroidectomy — the excision of a parathyroid gland.
- paratyphoid fever — Also called paratyphoid fever. an infectious disease, similar in some of its symptoms to typhoid fever but usually milder, caused by any of several bacilli of the genus Salmonella other than S. typhi.
- perth and kinross — a council area of N central Scotland, corresponding mainly to the historical counties of Perthshire and Kinross-shire: part of Tayside Region from 1975 until 1996: chiefly mountainous, with agriculture, tourism, and forestry. Administrative centre: Perth. Pop: 135 990 (2003 est). Area: 5321 sq km (2019 sq miles)
- platinic chloride — chloroplatinic acid.
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- quick on the draw — having fast reflexes
- radiation therapy — x-rays used as treatment
- radio in the loop — Wireless Local Loop
- radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
- read the riot act — an English statute of 1715 providing that if 12 or more persons assemble unlawfully and riotously, to the disturbance of the public peace, and refuse to disperse upon proclamation they shall be considered guilty of felony.
- revealed theology — theology based on the doctrine that all religious truth is derived exclusively from the revelations of God to humans.
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- scattered showers — showers that are scattered across an area, or that occur at intervals throughout the day
- shetland pullover — a thick woollen sweater made from Shetland wool
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent