15-letter words containing t, h, y
- heavenly father — a term used to address or refer to God
- heavy artillery — guns and howitzers of large caliber.
- heavy breathing — stertorous breathing or breathing done with difficulty
- heavy-heartedly — in a heavy-hearted manner
- hedge your bets — play it safe, lessen a risk
- heliocentricity — measured or considered as being seen from the center of the sun.
- 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.
- hemicryptophyte — any perennial plant that bears its overwintering buds at soil level, where they are often partly covered by surface debris
- hemiglossectomy — (surgery) The surgical removal of a portion of the tongue.
- hermeneutically — of or relating to hermeneutics; interpretative; explanatory.
- heterocercality — the condition or state of having a heterocercal tail
- heterodactylous — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterogeneously — different in kind; unlike; incongruous.
- heterosexuality — sexual feeling or behavior directed toward a person or persons of the opposite sex.
- hexahydrothymol — menthol.
- high and mighty — self-important, arrogant
- high technology — any technology requiring the most sophisticated scientific equipment and advanced engineering techniques, as microelectronics, data processing, genetic engineering, or telecommunications (opposed to low technology).
- high-and-mighty — haughty; arrogant.
- histochemically — In a histochemical manner.
- histomorphology — histology.
- histophysiology — the branch of physiology dealing with tissues.
- holiday clothes — the clothes worn and bought for travelling on holiday, such as swimwear, skiwear, or clothes for hot or cold weather, etc
- holiday cottage — a cottage used for accommodation for a family, couple, etc, on holiday
- holiday traffic — increased road traffic during holiday periods and public holidays
- holocrystalline — (of igneous rocks) having only crystalline components and no glass
- homeopathically — By means of homeopathy.
- homeostatically — the tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function.
- honey tangerine — a citrus fruit with a deep-orange pulp, formed by crossing a tangerine and a sweet orange hybrid; Murcott
- honeycomb tripe — a part of the inner lining of the stomach of the steer, calf, hog, or sheep, resembling a honeycomb in appearance and considered a table delicacy.
- honeymoon suite — a luxurious suite in a hotel designed for honeymooners
- hootchy-kootchy — cooch.
- hop-o'-my-thumb — a very small person, as a midget or dwarf.
- horse artillery — cavalry equipped with artillery
- horticulturally — With respect to horticulture.
- host-host layer — transport layer
- hostess trolley — a trolley, usually wheeled, on which to keep food warm until the hostess is ready to serve it
- humphrey bogart — Humphrey (DeForest) ("Bogie"or"Bogey") 1899–57, U.S. motion-picture actor.
- hybrid antibody — a synthetic antibody that is able to combine with two different antigens
- hybrid computer — a computer system containing both analog and digital hardware.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydrodynamicist — a specialist in hydrodynamics.
- hydrofracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrometallurgy — the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
- hydropathically — in a hydropathic manner; in a manner relating to hydropathy
- hydrostatically — In a hydrostatic manner.
- hydroxybutyrate — (chemistry) any salt or ester of hydroxybutyric acid, but especially of gamma-hydroxybutyric acid.