17-letter words containing h, e, i
- hit for the cycle — any complete round or series of occurrences that repeats or is repeated.
- hit over the head — to strike on the head
- hit the headlines — be prominently featured in the news
- hoare powerdomain — powerdomain
- hodgkin's disease — a type of cancer characterized by progressive chronic inflammation and enlargement of the lymph nodes of the neck, armpit, groin, and mesentery, by enlargement of the spleen and occasionally of the liver and the kidneys, and by lymphoid infiltration along the blood vessels.
- 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
- holistic medicine — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
- 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
- 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.
- homework exercise — an exercise that is set as homework
- homo floresiensis — a possible species of very small, primitive human: its fossils were discovered on the Indonesian island of Flores in 2003.
- 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.
- honorable mention — a citation conferred on a contestant, exhibit, etc., having exceptional merit though not winning a top honor or prize.
- hope against hope — the feeling that what is wanted can be had or that events will turn out for the best: to give up hope.
- horatio kitchener — Horatio Herbert (1st Earl Kitchener of Khartoum and of Broome) 1850–1916, English field marshal and statesman.
- hornblende schist — a variety of schist containing needles of hornblende that lie in parallel planes.
- horseradish sauce — a piquant sauce made from horseradish root, vinegar, etc, and traditionally eaten in Britain with roast beef
- 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.
- hospitality suite — a suite or room, as in a hotel or convention center, rented by a business firm, political candidate, or the like, to meet and entertain clients, potential customers, etc.
- hotel limo driver — A hotel limo driver is the person whose job it is to drive the hotel limo.
- 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.
- 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
- housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
- how the land lies — the prevailing conditions or state of affairs
- human engineering — an applied science that coordinates the design of devices, systems, and physical working conditions with the capacities and requirements of the worker.
- humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
- hurricane warning — a storm warning given for winds with speeds exceeding 63 knots (72 mph, 32 m/sec) when the source of the winds is a tropical cyclone.
- 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.
- huygens' eyepiece — a telescope eyepiece consisting of two planoconvex lenses separated by a distance equal to half the sum of their focal lengths, which are in the ratio of three to one, and oriented so that their curved surfaces face the incident light
- hyaline cartilage — the typical, translucent form of cartilage, containing little fibrous tissue.
- hybrid fiber coax — (networking) (HFC) A kind of physical connection used in networks for audio, video, and data. DVB (Digital Video Broadcast) is used in Europe and DOCSIS is used in N America.
- 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 peroxide — a colorless, unstable, oily liquid, H 2 O 2 , an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.
- hydrogen sulphide — Chemistry
- hydrotherapeutics — hydrotherapy.
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- 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)