13-letter words containing m, a, c, n
- arabian camel — a domesticated camel, Camelus dromedarius, having one hump on its back and used as a beast of burden in the hot deserts of N Africa and SW Asia
- archimandrite — the head of a monastery or a group of monasteries
- arithmetician — a person skilled in arithmetic
- as much again — twice as much
- ascertainment — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- aschelminthes — a major grouping (formerly a phylum) of small-to-microscopic pseudocoelomate organisms, as the rotifers, nematodes, and gastrotriches, all of which are now classified as separate phyla.
- astrodynamics — the study of the motion of natural and artificial bodies in space
- at attachment — Advanced Technology Attachment
- atlantic time — the civil time officially adopted for a country or region, usually the civil time of some specific meridian lying within the region. The standard time zones in the U.S. (Atlantic time, Eastern time, Central time, Mountain time, Pacific time, Yukon time, Alaska-Hawaii time, and Bering time) use the civil times of the 60th, 75th, 90th, 105th, 120th, 135th, 150th, and 165th meridians respectively, the difference of time between one zone and the next being exactly one hour.
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- atomic weapon — a weapon in which energy is provided by nuclear fission
- audience room — a room for holding formal interviews or hearings.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autonomically — autonomous.
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- back emission — the secondary emission of electrons from an anode
- back mutation — the reversion of a mutant to the original phenotype
- backformation — Alternative spelling of back-formation.
- badminton cup — a long refreshing drink of claret with soda water and sugar
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
- basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- bathylimnetic — (of an organism) living in the depths of lakes and marshes
- benefit match — a sports match organized to raise money for charity, or for a particular player
- biomechanical — relating to biomechanics
- black diamond — coal (sense 1)
- black economy — The black economy consists of the buying, selling, and producing of goods or services that goes on without the government being informed, so that people can avoid paying tax on them.
- blacksmithing — the work of a blacksmith.
- bowling match — a game of bowls
- brace molding — keel1 (def 6).
- burnham scale — the salary scale for teachers in English state schools, which is revised periodically
- cabinet maker — A cabinet maker is a person who makes high-quality wooden furniture.
- cabinet-maker — a person who makes fine furniture and other woodwork.
- cabinetmakers — Plural form of cabinetmaker.
- cabinetmaking — the manufacture of fine furniture and other woodwork.
- cable molding — a molding in the form of a rope.
- cadmium green — a pigment used in painting, consisting of a mixture of hydrated oxide of chromium with cadmium sulfide, and characterized by its strong green color and slow drying rate.
- caiman lizard — a crocodilelike lizard, Dracaena guianensis, of South America, having powerful jaws for crushing the snails and mussels upon which it feeds.
- calamity jane — real name Martha Canary. ?1852–1903, US frontierswoman, noted for her skill at shooting and riding
- call sb names — If someone calls you names, they insult you by saying unpleasant things to you or about you.
- callithumpian — relating to or resembling a callithump
- camerapersons — Plural form of cameraperson.
- camp-drafting — a competitive test, esp at an agricultural show, of horsemen's skill in drafting cattle
- campaign fund — money for a campaign, as of a political candidate, usually acquired through contributions by supporters.
- campaniliform — Alternative form of campaniform.
- campanologist — the principles or art of making bells, bell ringing, etc.
- camping chair — a chair which is suitable for use in temporary quarters, on holiday, etc, esp by being portable and easy to set up
- camping stool — a stool which is suitable for use in temporary quarters, on holiday, etc, esp by being portable and easy to set up
- camping stove — a portable stove powered by butane gas canisters, designed to be used for cooking while camping
- canada balsam — a yellow transparent resin obtained from the balsam fir. Because its refractive index is similar to that of glass, it is used as an adhesive in optical devices and as a mounting medium for microscope specimens