15-letter words containing r, e, t, o, a
- 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
- hazardous waste — any industrial by-product, especially from the manufacture of chemicals, that is destructive to the environment or dangerous to the health of people or animals: Hazardous wastes often contaminate ground water.
- heart condition — cardiac disorder
- heart of hearts — the depths of one's conscience or emotions
- heart operation — a surgical operation performed on the heart
- heart tamponade — tamponade (def 2).
- heart's content — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
- heartbrokenness — The state or quality of being heartbroken.
- hearth and home — domestic realm
- 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.
- hemadynamometer — An instrument by which the pressure of the blood in the arteries, or veins, is measured by the height to which it will raise a column of mercury.
- 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.
- hepatocarcinoma — (pathology) cancer of the liver.
- hermaphroditism — the condition of being a hermaphrodite.
- hernando cortes — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
- hernando cortez — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
- herod the great — ("the Great") 73?–4 b.c, king of Judea 37–4.
- 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.
- heterodactylous — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- 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.
- heterotolerance — (immunology) Subsequent unresponsiveness to a different agonist.
- hexahydrothymol — menthol.
- hibernicization — the process or act of making Irish
- hierogrammatist — a writer of hierograms, hierogrammate
- historiographer — a historian, especially one appointed to write an official history of a group, period, or institution.
- holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
- holocrystalline — (of igneous rocks) having only crystalline components and no glass
- homoerotophobia — Homophobia; antipathy towards homosexuals.
- honey tangerine — a citrus fruit with a deep-orange pulp, formed by crossing a tangerine and a sweet orange hybrid; Murcott
- hoosier cabinet — a tall kitchen cabinet mass-produced during the early part of the 20th century, usually of oak, featuring an enameled work surface, storage bins, a flour sifter, etc.
- hopper casement — a casement with a sash hinged at the bottom.
- horatius cocles — a legendary Roman hero of the 6th century bc, who defended a bridge over the Tiber against Lars Porsena
- horizontal well — A horizontal well is a well which has sections that have been drilled at more than 80 degrees from the vertical in order to penetrate a greater length of the reservoir.
- horse artillery — cavalry equipped with artillery
- horse latitudes — the latitudes near 30°N or 30°S at sea, characterized by baffling winds, calms, and high barometric pressure
- hospital corner — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
- host-host layer — transport layer
- hour after hour — continuously for many hours
- hovering accent — indeterminacy as to which of two consecutive syllables in a line of verse bears the metrical stress, as in any of the first three feet of Slow, slow, / fresh fount, / keep time / with my / salt tears.
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- humphrey bogart — Humphrey (DeForest) ("Bogie"or"Bogey") 1899–57, U.S. motion-picture actor.