15-letter words containing h, a, t, i
- hay conditioner — either of two machines, one designed to crush stems of hay, the other to break and bend them, in order to cause more rapid and even drying
- health benefits — positive effects on health
- health minister — a government minister who is responsible for health
- heart condition — cardiac disorder
- heart operation — a surgical operation performed on the heart
- heart-searching — a thorough examination of one's feelings and motives; a self-examination of one's conscience.
- heartbreakingly — causing intense anguish or sorrow.
- heat exhaustion — a condition characterized by faintness, rapid pulse, nausea, profuse sweating, cool skin, and collapse, caused by prolonged exposure to heat accompanied by loss of adequate fluid and salt from the body.
- heat-conducting — able to conduct heat or whose function is to conduct heat
- heat-conduction — the transfer of thermal energy between molecules
- heather mixture — cloth made from a mixture of different yarns, predominantly grey but with flecks of different colours
- heating element — a coil or other arrangement of wire in which heat is produced by an electric current
- heavy artillery — guns and howitzers of large caliber.
- heavy breathing — stertorous breathing or breathing done with difficulty
- height-to-paper — the standard height of type, measured from the foot to the face, in the U.S. 0.918 of an inch (2.33 cm).
- heliometrically — By means of, or in terms of, heliometry.
- hematoporphyria — porphyria.
- hematoporphyrin — a porphyrin made by treating haemoglobin with acid, used to treat cancer in photodynamic therapy
- hemicraniectomy — (surgery) The surgical removal of half of the cranium to enable brain surgery; hemicraniotomy.
- hemochromatosis — a rare metabolic disorder characterized by a bronzed skin, cirrhosis, and severe diabetes, caused by the deposit in tissue, especially of the liver and pancreas, of hemosiderin and other pigments containing iron.
- henrietta maria — 1609–69, queen of England (1625–49), the wife of Charles I; daughter of Henry IV of France. Her Roman Catholicism contributed to the unpopularity of the crown in the period leading to the Civil War
- hepaticological — of or relating to hepaticology
- hepatocarcinoma — (pathology) cancer of the liver.
- hereditarianism — a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
- hereditarianist — a person who believes in the doctrine of hereditarianism
- heritage centre — a museum that houses exhibits describing the culture and history of a particular place and its inhabitants
- hermaphroditism — the condition of being a hermaphrodite.
- hermeneutically — of or relating to hermeneutics; interpretative; explanatory.
- heterocercality — the condition or state of having a heterocercal tail
- heterochromatic — of, having, or pertaining to more than one color.
- heterochromatin — the dense, highly stainable part of a chromosome.
- heteronormative — noting or relating to behavior or attitudes consistent with traditional male or female gender roles and the assumption of heterosexuality as the norm: our heteronormative culture.
- heteroscedastic — (of several distributions) having different variances
- heterosexualism — Discrimination of non-heterosexual people on the basis of their sexual orientation.
- heterosexuality — sexual feeling or behavior directed toward a person or persons of the opposite sex.
- hibernicization — the process or act of making Irish
- hierogrammatist — a writer of hierograms, hierogrammate
- high and mighty — self-important, arrogant
- high-and-mighty — haughty; arrogant.
- high-angle shot — a shot taken from a camera positioned above the action
- high-water mark — a mark showing the highest level reached by a body of water.
- highland cattle — a breed of cattle with shaggy hair, usually reddish-brown in colour, and long horns
- hip measurement — a measurement around the hips at the level of the buttocks used in clothing and assessing general health
- hip replacement — a surgical procedure involving replacing the hip joint with an artificial implant
- histochemically — In a histochemical manner.
- histopathologic — the science dealing with the histological structure of abnormal or diseased tissue; pathological histology.
- historical cost — The historical cost of an asset is its original cost when it was first acquired by a company.
- historicization — Act or process of historicizing.
- historiographer — a historian, especially one appointed to write an official history of a group, period, or institution.
- historiographic — the body of literature dealing with historical matters; histories collectively.