19-letter words containing m, a, r, t, b
- jumping bristletail — any of several thysanuran insects that live in dark, warm, moist places, as under leaves, bark, and dead tree trunks and along rocky seacoasts, and are active jumpers, making erratic leaps when disturbed.
- junior bantamweight — a boxer weighing up to 115 pounds (51.7 kg), between flyweight and bantamweight.
- keyboard instrument — any musical instrument that is played using a keyboard
- lady baltimore cake — a white layer cake using only the beaten whites of eggs and spread with a fruitnut filling consisting of raisins, figs, walnuts or pecans, and sometimes candied cherries.
- lobster-tail helmet — a burgonet fitted with a long, articulated tail of lames for protecting the nape of the neck, worn by cavalry in the 17th century.
- logical unit number — (storage) (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
- lord baltimore cake — a yellow layer cake, using only the yolks of eggs and having a fruit-nut filling consisting of pecans, almonds, maraschino cherries, and macaroon crumbs.
- 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.
- malleable cast iron — white cast iron that has been malleablized.
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- megabits per second — (unit) (Mbps, Mb/s) Millions of bits per second. A unit of data rate. 1 Mb/s = 1,000,000 bits per second (not 1,048,576). E.g. Ethernet can carry 10 Mbps.
- mercurial barometer — mercury barometer.
- molecular biologist — a specialist in the study of biological phenomena at the molecular level
- mutual masturbation — the act of two or more people masturbating each other
- normal distribution — a theoretical frequency distribution represented by a normal curve.
- palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.
- parliament building — structure housing legislative offices
- party-column ballot — Indiana ballot.
- peridental membrane — periodontal membrane.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- registration number — number on vehicle licence plate
- removable cartridge — a hard disk enclosed in a case that can be removed from the disk drive, having more storage than floppy disks.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- sb's spiritual home — your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there
- semidetached binary — a pair of stars that are so close together that mass transfer occurs from one to the other
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- spin quantum number — the quantum number that designates the total angular momentum associated with electron spin and has a value of ½ in units of h /2π.
- standing broad jump — a jump for distance from a standing position.
- strawberry geranium — a plant, Saxifraga stolonifera (or S. sarmentosa), of the saxifrage family, native to eastern Asia, that has rounded, variegated leaves and numerous threadlike stolons and is frequently cultivated as a houseplant.
- subminiature camera — a very small, palm-sized still camera for taking photographs on 16-millimeter or similar film.
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- telescopic umbrella — an umbrella having parts that telescope
- the admiralty board — (formerly) a department of the British Ministry of Defence, responsible for the administration and planning of the Royal Navy
- the labour movement — a movement campaigning for the interests of working people, for example for better working conditions, better treatment from employers, etc
- thermal equilibrium — the relationship between two systems connected only by a diathermic wall.
- transference number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
- turbo-ramjet engine — a combination engine that can be operated as a turbojet or ramjet engine.
- wassermann antibody — reagin (def 1).