18-letter words containing h, o, u, m
- human rights group — a group that campaigns for human rights
- hungry programmers — (body) A group of programmers producing free software.
- hydroflumethiazide — A diuretic drug.
- immunohistological — the microscopic study of tissues with the aid of antibodies that bind to tissue components and reveal their presence.
- immunopharmacology — the branch of pharmacology concerned with the immune system
- inner automorphism — an automorphism that maps an element x into an element of the form axa −1 where a −1 is the inverse of a.
- isthmus of corinth — a narrow strip of land between the Gulf of Corinth and the Saronic Gulf: crossed by the Corinth Canal making navigation possible between the gulfs
- jump through hoops — If someone makes you jump through hoops, they make you do lots of difficult or boring things in order to please them or achieve something.
- launching ceremony — a ceremony that celebrates the launch of a ship for the first time into the water
- literae humaniores — (at Oxford University) the faculty concerned with Greek and Latin literature, ancient history, and philosophy; classics
- logarithmus dualis — (mathematics) (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
- loschmidt's number — the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 10 19.
- malicious mischief — willful destruction of personal property motivated by ill will or resentment toward its owner or possessor.
- maximum likelihood — greatest probability
- medium of exchange — anything generally accepted as representing a standard of value and exchangeable for goods or services.
- melt in your mouth — to require little or no chewing
- mercurous chloride — calomel.
- mergui archipelago — a group of over 200 islands in the Andaman Sea, off the Tenasserim coast of S Myanmar: mountainous and forested
- meurthe-et-moselle — a department in NE France. 2038 sq. mi. (5280 sq. km). Capital: Nancy.
- modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
- moulding technique — the technique used to shape a material into a frame or mould
- mount saint helens — a city in Merseyside, in NW England, near Liverpool.
- mozambique channel — a channel in SE Africa, between Mozambique and Madagascar. 950 miles (1530 km) long; 250–550 miles (400–885 km) wide.
- much of a muchness — very similar
- mucopolysaccharide — (formerly) glycosaminoglycan.
- multiple ownership — ownership by several people or organizations
- muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
- neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- no laughing matter — sth serious
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- outer automorphism — an automorphism that is not an inner automorphism.
- outreach programme — a programme designed to help and encourage disadvantaged members of the community
- phosphonium iodide — a colorless to slightly yellowish, crystalline, water-soluble solid, PH 4 I, used in chemical synthesis.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- pigmy hippopotamus — a related but smaller animal, Choeropsis liberiensis
- potassium chlorate — a white or colorless, crystalline, water-soluble, poisonous solid, KClO 3 , used chiefly as an oxidizing agent in the manufacture of explosives, fireworks, matches, bleaches, and disinfectants.
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- potassium sulphate — a soluble substance usually obtained as colourless crystals of the decahydrate: used in making glass and as a fertilizer. Formula: K2SO4
- pound the pavement — a paved road, highway, etc.
- prometheus unbound — a drama in verse (1820) by Shelley.
- publishing company — a firm which publishes books
- put the mockers on — stop, thwart
- pygmy hippopotamus — a small hippopotamus, Choeropsis liberiensis, of forests and swamps in western Africa.
- pyromucic aldehyde — furfural.
- quick off the mark — If you are quick off the mark, you are quick to understand or respond to something. If you are slow off the mark, you are slow to understand or respond to something.
- rheims-douay bible — Douay Bible.
- roman architecture — buildings in style of ancient Rome
- rufous hummingbird — a reddish-brown hummingbird, Selasphorus rufus, of western North America.
- runge-kutta method — a numerical method, involving successive approximations, used to solve differential equations.