17-letter words containing r, h, o, d
- 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.
- isherwood framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
- 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
- lee harvey oswald — Lee Harvey, 1939–63, designated by a presidential commission to be the lone assassin of John F. Kennedy.
- 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.
- lithium hydroxide — a white, crystalline, water-soluble compound, LiOH, used to absorb carbon dioxide, especially in spacesuits.
- lobster thermidor — a dish of cooked lobster meat placed back in the shell with a cream sauce, sprinkled with grated cheese and melted butter, and browned in the oven.
- loggerhead shrike — a common, North American shrike, Lanius ludovicianus, gray above and white below with black wings, tail, and facial mask.
- loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
- lord of the flies — a novel (1954) by William Golding.
- machado y morales — Gerardo [he-rahr-th aw] /hɛˈrɑr ðɔ/ (Show IPA), 1871–1939, president of Cuba 1925–33.
- manufactured home — a prefabricated house, assembled in modular sections.
- medicochirurgical — pertaining to medicine and surgery.
- meech lake accord — the agreement reached in 1987 at Meech Lake, Quebec, at a Canadian federal-provincial conference that accepted Quebec's conditions for signing the Constitution Act of 1982. The Accord lapsed when the legislatures of two provinces, Newfoundland and Quebec, failed to ratify it by the deadline of June 23, 1990
- 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.
- mercuric chloride — a white, crystalline, water-soluble, strongly acrid, highly poisonous solid, HgCl 2 , prepared by sublimation of chlorine with mercury, and used chiefly as an antiseptic.
- methylidyne group — the trivalent group ≡CH.
- microfiche reader — a machine that displays on a screen a magnified image of a microfiche
- middle of nowhere — a completely isolated, featureless, or insignificant place
- mies van der rohe — Ludwig [luhd-wig] /ˈlʌd wɪg/ (Show IPA), 1886–1969, U.S. architect, born in Germany.
- 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
- montessori method — a system for teaching young children, in which the fundamental aim is self-motivated education by the children themselves, as they are encouraged to move freely through individualized instruction and physical exercises, accompanied by special emphasis on the training of the senses and the early development of reading and writing skills.
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- narrow-shouldered — having shoulders which do not extend very far from the neck; not broad-shouldered
- nitrohydrochloric — (chemistry) Of, pertaining to, or containing, nitric acid and hydrochloric acids.
- nitroxanthic acid — picric acid.
- north frigid zone — the part of the earth's surface between the Arctic Circle and the North Pole.
- northern rhodesia — former name of Zambia.
- northern sporades — a group of Greek islands in the Aegean, lying northeast of Euboea
- northern studfish — See under studfish.
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- number three wood — spoon (def 5).
- old norman french — Norman French (sense 1)
- old orchard beach — a resort town in S Maine.
- 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.
- orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
- orthovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts. Formula: H3VO4
- out of this world — the earth or globe, considered as a planet.
- 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