17-letter words containing h, o, r, m, n
- dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
- dihydromorphinone — a narcotic compound, C 17 H 19 O 3 N, prepared from morphine and used chiefly as an analgesic.
- doberman pinscher — one of a German breed of medium-sized, short-haired dogs having a black, brown, or blue coat with rusty brown markings.
- dog in the manger — a person who selfishly keeps something that he or she does not really need or want so that others may not use or enjoy it.
- echoencephalogram — a graphic record produced by an echoencephalograph.
- electromechanical — Of, relating to, or denoting a mechanical device that is electrically operated.
- elementary school — primary school
- ethernet meltdown — A network meltdown on Ethernet.
- ethnopharmacology — The scientific study correlating ethnic groups, their health, and how it relates to their physical habits and methodology in creating and using medicines.
- fifth normal form — database normalisation
- firehose syndrome — (networking, jargon) An absence, failure or inadequacy of flow control mechanisms causing the sender to overwhelm the receiver. The implication is that, like trying to drink from a firehose, the consequenses are worse than just loss of data, e.g. the receiver may crash. See ping-flood.
- four-part harmony — harmony in which each chord has four tones, creating, in sum, four melodic lines.
- french somaliland — a former name of Djibouti (def 1).
- from hand to hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
- geothermal energy — Geothermal energy is energy from temperature differences inside the earth's crust.
- go on the rampage — If people go on the rampage, they rush about in a wild or violent way, causing damage or destruction.
- grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
- great-grandmother — a grandmother of one's father or mother.
- haematocrystallin — Alternative form of hematocrystallin.
- haemoglobinometer — an instrument used to determine the haemoglobin content of blood
- harmonic analysis — the calculation of Fourier series and their generalization.
- harmonic interval — an intervening period of time: an interval of 50 years.
- heat of formation — the heat evolved or absorbed when one mole of a compound is formed from its constituent atoms
- heavy 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.
- helen keller mode — 1. State of a hardware or software system that is deaf, dumb, and blind, i.e. accepting no input and generating no output, usually due to an infinite loop or some other excursion into deep space. (Unfair to the real Helen Keller, whose success at learning speech was triumphant.) See also go flatline, catatonic. 2. On IBM PCs under MS-DOS, refers to a specific failure mode in which a screen saver has kicked in over an ill-behaved application which bypasses the very interrupts the screen saver watches for activity. Your choices are to try to get from the program's current state through a successful save-and-exit without being able to see what you're doing, or to re-boot the machine. This isn't (strictly speaking) a crash.
- hemoconcentration — an increase in the concentration of cellular elements in the blood, resulting from loss of plasma.
- heteronormativity — The view that all human beings are either male or female, both in sex and in gender, and that sexual and romantic thoughts and relations are normal only when between people of different sexes.
- high commissioner — a representative of one sovereign member of the Commonwealth of Nations in the country of another, having a rank and responsibilities generally similar to those of an ambassador.
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- 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.
- home improvements — improvements to one's home, such as new kitchens and bathrooms, central heating etc
- homeland security — national defence
- homo floresiensis — a possible species of very small, primitive human: its fossils were discovered on the Indonesian island of Flores in 2003.
- 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
- hurler's syndrome — a medical condition characterized by physical deformity and mental deficiency
- 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.
- hypodermic needle — a hollow needle used to inject solutions subcutaneously.
- 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.
- 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.
- 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.