19-letter words containing o, s, m, u
- isidorus of miletus — flourished 6th century a.d, Byzantine engineer. He was one of the architects of Hagia Sophia; (originally an Orthodox cathedral and currently a museum in Istanbul, Turkey).
- isthmus of san blas — the narrowest part of the Isthmus of Panama. Width: about 50 km (30 miles)
- jacques montgolfier — Jacques Étienne [zhahk ey-tyen] /ʒɑk eɪˈtyɛn/ (Show IPA), 1745–99, and his brother Joseph Michel [zhaw-zef mee-shel] /ʒɔˈzɛf miˈʃɛl/ (Show IPA) 1740–1810, French aeronauts: inventors of the first practical balloon 1783.
- jamaica honeysuckle — a climbing vine, Passiflora laurifolia, of tropical America, having red-spotted white flowers nearly 4 inches (10 cm) wide, with a white and violet-colored crown, and edible yellow fruit.
- james gould cozzens — James Gould, 1903–78, U.S. novelist.
- jerusalem artichoke — Also called girasol. a sunflower, Helianthus tuberosus, having edible, tuberous, underground stems or rootstocks.
- johannes damascenus — Johannes [joh-han-eez,, -is] /dʒoʊˈhæn iz,, -ɪs/ (Show IPA), John of Damascus, Saint.
- jump to conclusions — to come to a conclusion prematurely, without sufficient thought or on incomplete evidence
- jumping plant louse — any of numerous lice, of the family Psyllidae, that feed on plant juices and are sometimes pests of fruits and vegetables.
- keyboard instrument — any musical instrument that is played using a keyboard
- knights of columbus — an international fraternal and benevolent organization of Roman Catholic men, founded in New Haven, Connecticut, in 1882.
- league championship — the competition to become league champions
- life-support system — A life-support system is the same as a life-support machine.
- limit of resolution — the capacity of an optical system to resolve point objects as separate images.
- liouville's theorem — the theorem that every function of a complex variable, bounded and differentiable for all finite values of the variable, is a constant function.
- lumholtz's kangaroo — boongary.
- luminous efficiency — the perceived brightness of light as a ratio of the total luminous flux to total radiant flux of the source; a measure of brightness obtained by dividing the source's luminous flux by the consumption of its energy.
- lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
- machine instruction — (programming) The smallest element of a machine code program.
- magnesium carbonate — a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.
- magnesium hydroxide — a white, crystalline, slightly water-soluble powder, Mg(OH) 2 , used chiefly in medicine as an antacid and as a laxative.
- make no bones about — Anatomy, Zoology. one of the structures composing the skeleton of a vertebrate. the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen-rich organic matrix impregnated with calcium, phosphate, and other minerals.
- malicious falsehood — a lie told by someone who knows the lie is false or knows it will do harm to the person it is concerning
- manchester autocode — (language, history) The predecessor of Mercury Autocode.
- manual transmission — an automotive transmission in which the driver shifts gears manually.
- master of foxhounds — the person responsible for the conduct of a fox hunt and to whom all members of the hunt and its staff are responsible. Abbreviation: M.F.H.
- matthias i corvinus — ?1440–90, king of Hungary (1458–90): built up the most powerful kingdom in Central Europe. A patron of Renaissance art, he founded the Corvina library, one of the finest in Europe
- maturation division — a stage in meiosis during which the chromosomal number of the reproductive cell is reduced to one chromosome from each original chromosome pair.
- means of production — resources: equipment, workers
- measure for measure — a comedy (1604) by Shakespeare.
- membership function — fuzzy subset
- miscellaneous items — various kinds of thing, esp small purchases
- missouri compromise — an act of Congress (1820) by which Missouri was admitted as a slave state, Maine as a free state, and slavery was prohibited in the Louisiana Purchase north of latitude 36°30′N, except for Missouri.
- missouri meerschaum — corncob (def 2).
- modulus of rigidity — shear modulus.
- molecular astronomy — the branch of astronomy dealing with the study of molecules in space.
- molecular biologist — a specialist in the study of biological phenomena at the molecular level
- montezuma's revenge — traveler's diarrhea, especially as experienced by some visitors to Mexico.
- mother-of-thousands — strawberry geranium.
- motorway restaurant — a restaurant on a motorway
- mount desert island — an island off the coast of E central Maine: summer resort; forms part of Acadia National Park. 14 miles (23 km) long; 8 miles (13 km) wide.
- mouse-ear chickweed — any of various similar and related plants of the genus Cerastium
- mousseline de laine — a thin worsted fabric, often having a printed pattern.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- multidimensionality — The property of being multidimensional.
- multiplication sign — Arithmetic. the symbol (⋅), (×), or (∗) between two mathematical expressions, denoting multiplication of the second expression by the first. In certain algebraic notations the sign is suppressed and multiplication is indicated by immediate juxtaposition or contiguity, as in ab.
- munchausen syndrome — a factitious disorder in which otherwise healthy individuals seek to hospitalize themselves with feigned or self-induced pathology in order to receive surgical or other medical treatment.
- mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
- music to one's ears — something that is very pleasant to hear
- muster in (or out) — to enlist in (or discharge from) military service