15-letter words containing i, l, r
- heaviside layer — E layer.
- heavy artillery — guns and howitzers of large caliber.
- heliacal rising — rising of a celestial object at approximately the same time as the rising of the sun
- helicopter view — an overview of a situation without any details
- heliocentricity — measured or considered as being seen from the center of the sun.
- heliometrically — By means of, or in terms of, heliometry.
- heralds' office — the official heraldic authority of Scotland.
- herbal medicine — the use of herbs to treat illness
- heredo-familial — denoting a condition or disease that may be passed from generation to generation and to several members of one family
- hermeneutically — of or relating to hermeneutics; interpretative; explanatory.
- herpes labialis — oral herpes.
- heterocercality — the condition or state of having a heterocercal tail
- 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.
- hexylresorcinol — white or yellowish-white, needle-shaped crystals, C 12 H 18 O 2 , used chiefly as an antiseptic and for the expulsion of intestinal worms.
- hiberno-english — Also called Anglo-Irish. the English language as spoken in Ireland.
- hieroglyphology — the study of hieroglyphic writing.
- high resolution — a great amount of detail visible in a photographic, TV, or video image
- high-principled — possessing or displaying very high moral or ethical principles
- high-resolution — having or capable of producing an image characterized by fine detail: high-resolution photography; high-resolution lens.
- hindenburg line — a line of elaborate fortifications established by the German army in World War I, near the French-Belgian border, from Lille SE to Metz.
- hip replacement — a surgical procedure involving replacing the hip joint with an artificial implant
- histomorphology — histology.
- historical cost — The historical cost of an asset is its original cost when it was first acquired by a company.
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- 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.
- holiday traffic — increased road traffic during holiday periods and public holidays
- holocrystalline — (of igneous rocks) having only crystalline components and no glass
- holographically — In a holographic way.
- 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
- horticulturally — With respect to horticulture.
- horticulturists — Plural form of horticulturist.
- 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.
- hospital doctor — a hospital doctor works in a hospital, rather than as a general practitioner, in the army, etc
- hot-air balloon — passenger balloon
- hovering vessel — a vessel in territorial waters apparently collaborating in illicit operations.
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- hung parliament — a parliament that does not have a party with a working majority
- hunting leopard — the cheetah.
- hurdle champion — a hurdler who has defeated all others in a competition
- hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
- hydraulic brake — a brake operated by fluid pressures in cylinders and connecting tubular lines.
- hydraulic fluid — a fluid, usually of low viscosity, as oil, used in a hydraulic system.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydraulic press — a machine permitting a small force applied to a small piston to produce, through fluid pressure, a large force on a large piston.
- hydrobiological — of or relating to hydrobiology
- hydromechanical — Of or pertaining to hydromechanics.