17-letter words containing y, e, a, r, h
- desynchronisation — (British spelling) Alternative form of desynchronization.
- desynchronization — to cause to indicate the same time, as one timepiece with another: Synchronize your watches.
- dialect geography — linguistic geography
- diaphragm pessary — a device for inserting into the vagina to deliver a drug, such as a contraceptive
- diethyltryptamine — a synthetic derivative of tryptamine with hallucinogenic and psychotogenic effects. Abbreviation: DET.
- dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
- dimethylformamide — a colourless liquid widely used as a solvent and sometimes as a catalyst. Formula: (CH3)2NCHO
- dimethylhydrazine — a flammable, highly toxic, and colorless liquid, C 2 H 8 N 2 , used as a component in jet and rocket fuels.
- dwarf huckleberry — tangleberry.
- eastern orthodoxy — the faith, practice, membership, and government of the Eastern Orthodox Church.
- edward the martyr — Saint. ?963–978 ad, king of England (975–78), son of Edgar: murdered. Feast day: March 18
- electrochemically — In an electrochemical manner.
- electromyographic — Using electromyography.
- elementary school — primary school
- embroidery thread — a thread used for embroidery
- ethinyloestradiol — Alternative form of ethinylestradiol.
- ethnopharmacology — The scientific study correlating ethnic groups, their health, and how it relates to their physical habits and methodology in creating and using medicines.
- geothermal energy — Geothermal energy is energy from temperature differences inside the earth's crust.
- great grey shrike — the bird Lanius excubitor
- guardhouse lawyer — a person in military service, especially an inmate of a guardhouse or brig, who is or claims to be an authority on military law, regulations, and soldiers' rights.
- haematocrystallin — Alternative form of hematocrystallin.
- haemorrhoidectomy — surgical removal of haemorrhoids
- hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
- hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- harvey wallbanger — a screwdriver cocktail topped with Galliano.
- have a roving eye — to show a widespread amorous interest in the opposite sex
- health care proxy — a legal document in which a person can appoint someone to make decisions about medical treatment in the event that he or she is no longer mentally competent or able to communicate.
- 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.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- henry of portugal — ("the Navigator") 1394–1460, prince of Portugal: sponsor of geographic explorations.
- heritage industry — an industry that manages the historical sites, buildings, and museums in a particular place, with the aim of encouraging tourism
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- 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.
- highways engineer — a civil engineer trained and specialized in the planning, construction, maintenance, etc of highways and roads
- 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
- household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
- how's-your-father — sexual intercourse
- 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.
- hydrotherapeutics — hydrotherapy.
- hydrotherapy pool — a pool of water used for hydrotherapy
- 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).
- 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 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.