17-letter words containing h, m, a
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- ho chi minh trail — a network of jungle paths winding from North Vietnam through Laos and Cambodia into South Vietnam, used as a military route by North Vietnam to supply the Vietcong during the Vietnam War.
- hoare powerdomain — powerdomain
- hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
- hollerith, herman — Herman Hollerith
- holy roman empire — a Germanic empire located chiefly in central Europe that began with the coronation of Charlemagne as Roman emperor in a.d. 800 (or, according to some historians, with the coronation of Otto the Great, king of Germany, in a.d. 962) and ended with the renunciation of the Roman imperial title by Francis II in 1806, and was regarded theoretically as the continuation of the Western Empire and as the temporal form of a universal dominion whose spiritual head was the pope.
- homeland security — national defence
- homeopathic magic — magic that attempts to control the universe through the mimicking of a desired event, as by stabbing an image of an enemy in an effort to destroy him or her or by performing a ritual dance imitative of the growth of food in an effort to secure an abundant supply; a branch of sympathetic magic based on the belief that similar actions produce similar results.
- homogentisic acid — an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
- homovanillic acid — the end product of dopamine metabolism, C 9 H 10 O 4 , found in human urine.
- honorable mention — a citation conferred on a contestant, exhibit, etc., having exceptional merit though not winning a top honor or prize.
- hormone treatment — any of several medical treatments using hormones
- house of assembly — the legislature or the lower house of the legislature in certain countries of the Commonwealth of Nations.
- house of ill fame — a house of prostitution; brothel
- household ammonia — diluted ammonia, often having a small quantity of detergent, used in the home for cleaning.
- human engineering — an applied science that coordinates the design of devices, systems, and physical working conditions with the capacities and requirements of the worker.
- human trafficking — the illegal practice of procuring or trading in human beings for the purpose of prostitution, forced labor, or other forms of exploitation.
- humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
- 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).
- hyperalimentation — overfeeding.
- hyperpigmentation — coloration, especially of the skin.
- hypocholesteremia — an abnormally low amount of cholesterol in the blood.
- 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.
- image enhancement — a method of improving the definition of a video picture by a computer program, which reduces the lowest grey values to black and the highest to white: used for pictures from microscopes, surveillance cameras, and scanners
- immunotherapeutic — (immunology, medicine) Of a pharmaceutical, acting on the immune system to treat disease; used in immunotherapy.
- implosion therapy — a form of behavior therapy involving intensive recollection and review of anxiety-producing situations or events in a patient's life in an attempt to develop more appropriate responses to similar situations in the future.
- implosive-therapy — a form of behavior therapy involving intensive recollection and review of anxiety-producing situations or events in a patient's life in an attempt to develop more appropriate responses to similar situations in the future.
- in a/the minority — If people are in a minority or in the minority, they belong to a group of people or things that form less than half of a larger group.
- in the family way — a basic social unit consisting of parents and their children, considered as a group, whether dwelling together or not: the traditional family. a social unit consisting of one or more adults together with the children they care for: a single-parent family.
- in the market for — an open place or a covered building where buyers and sellers convene for the sale of goods; a marketplace: a farmers' market.
- in the same canoe — of the same tribe
- 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.
- isomorphism class — (mathematics) A collection of all the objects isomorphic to a given object. Talking about the isomorphism class (of a poset, say) ensures that we will only consider its properties as a poset, and will not consider other incidental properties it happens to have.
- isthmus of panama — an isthmus linking North and South America, between the Pacific and the Caribbean. Length: 676 km (420 miles). Width (at its narrowest point): 50 km (31 miles)
- jammu and kashmir — official name of Kashmir (def 2).
- joachim du bellay — Joachim [French zhaw-a-keem] /French ʒɔ aˈkim/ (Show IPA), Bellay, Joachim du.
- khingan mountains — a mountain system of NE China, in W Manchuria. Highest peak: 2034 m (6673 ft)
- 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.
- langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.
- laurent's theorem — the theorem that a function that is analytic on an annulus can be represented by a Laurent series on the annulus.
- law of trichotomy — the property that for natural numbers a and b , either a is less than b , a equals b , or a is greater than b .
- le morte d'arthur — a compilation and translation of French Arthurian romances by Sir Thomas Malory, printed by Caxton in 1485.
- light machine gun — any air-cooled machine gun having a caliber not greater than 0.30 inches (7.6 mm).
- light mineral oil — a colorless, oily, almost tasteless, water-insoluble liquid, usually of either a standard light density (light mineral oil) or a standard heavy density (heavy mineral oil) consisting of mixtures of hydrocarbons obtained from petroleum by distillation: used chiefly as a lubricant, in the manufacture of cosmetics, and in medicine as a laxative.
- lisp machine lisp — (language) An extension of Maclisp, now called Zetalisp.
- lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
- lombrosian school — a school of criminology, promulgating the theories and employing the methods developed by Lombroso.