17-letter words containing h, i, l, e, r
- helicopter parent — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- high-tensile wire — wire which can withstand great strain without breaking or becoming deformed
- hillcrest heights — a city in central Maryland, near Washington, D.C.
- 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.
- hit for the cycle — any complete round or series of occurrences that repeats or is repeated.
- holding operation — a plan or procedure devised to prolong the existing situation
- hole in the heart — a defect of the heart in which there is an abnormal opening in any of the walls dividing the four heart chambers
- 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
- 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.
- hornblende schist — a variety of schist containing needles of hornblende that lie in parallel planes.
- hospital gangrene — Pathology. a contagious, often fatal gangrene, especially involving amputation stumps and war wounds, occurring usually in crowded, ill-kept hospitals, and caused by putrefactive bacteria.
- hotel limo driver — A hotel limo driver is the person whose job it is to drive the hotel limo.
- household rubbish — the unwanted things and waste material produced in the running of a household, such as used paper, empty tins and bottles, and waste food
- huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
- hyaline cartilage — the typical, translucent form of cartilage, containing little fibrous tissue.
- hydroelectrically — Using hydroelectric power.
- hydrogen chloride — a colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid.
- hydrogen fluoride — a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.
- hydrogen sulphide — Chemistry
- hyper-intelligent — having good understanding or a high mental capacity; quick to comprehend, as persons or animals: an intelligent student.
- hyper-peristalsis — the progressive wave of contraction and relaxation of a tubular muscular system, especially the alimentary canal, by which the contents are forced through the system.
- hyperalimentation — overfeeding.
- hyperbolic cosine — one of a group of functions of an angle expressed as a relationship between the distances of a point on a hyperbola to the origin and to the coordinate axes; cosh
- hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
- hyperbolic spiral — rθ = a, (where a is a constant)
- hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
- hyperexcitability — an excessive reaction to stimuli.
- hyperinflationary — (economics) Having very high levels of inflation.
- hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyperirritability — extreme irritability.
- hyperpolarisation — Alternative spelling of hyperpolarization.
- hyperpolarization — The act or process of hyperpolarizing.
- hypocholesteremia — an abnormally low amount of cholesterol in the blood.
- hypodermic needle — a hollow needle used to inject solutions subcutaneously.
- ignoratio elenchi — the fallacy of offering proof irrelevant to the proposition in question.
- 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 double harness — in a harness for two animals pulling the same carriage, plow, etc.
- in the altogether — wholly; entirely; completely; quite: altogether fitting.
- in the front line — Someone who is in the front line has to play a very important part in defending or achieving something.
- in the wilderness — If politicians or other well-known people spend time in the wilderness, they are not in an influential position or very active in their profession for that time.
- inalienable right — right that cannot be taken away
- incomprehensively — In an incomprehensive manner.
- indecipherability — Quality of being indecipherable.
- indirect lighting — reflected or diffused light, used especially in interiors to avoid glare or shadows.