13-letter words containing m, e, t, a, c
- antimechanist — opposed to mechanistic philosophy
- antimetabolic — inhibiting metabolism
- antimutagenic — capable of reducing the frequency of mutation.
- antirheumatic — acting against rheumatism
- antisepticism — the treatment of sepsis using antiseptics
- antisymmetric — (of a relation) never holding between a pair of arguments x and y when it holds between y and x except when x = y, as "…is no younger than…"
- apologeticism — An instance of the use of apologetics.
- apophlegmatic — having the ability to remove phlegm
- apoplectiform — of or resembling apoplexy or stroke.
- araeometrical — relating to araeometry
- archaeometric — relating to archaeometry
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archimandrite — the head of a monastery or a group of monasteries
- arithmetician — a person skilled in arithmetic
- armistice day — the anniversary of the signing of the armistice that ended World War I, on Nov 11, 1918, now kept on Remembrance Sunday
- 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.
- at attachment — Advanced Technology Attachment
- athematically — in an athematic manner
- atka mackerel — a commercially important ocean greenling (Pleurogrammus monopterygius) of the northern Pacific, esp. the area off the Aleutian Islands
- 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.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- atomic theory — any theory in which matter is regarded as consisting of atoms, esp that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds
- atomic volume — the atomic weight (relative atomic mass) of an element divided by its density
- atomic weapon — a weapon in which energy is provided by nuclear fission
- atomic weight — the weight of one atom of an element expressed in atomic mass units: it is the average weight of all the isotopes of the element
- auguste comte — (Isidore) Auguste (Marie François) [ee-zee-dawr oh-gyst ma-ree frahn-swa] /i ziˈdɔr oʊˈgüst maˈri frɑ̃ˈswa/ (Show IPA), 1798–1857, French founder of the philosophical system of positivism.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autoschediasm — anything done with little forethought or preparation
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- 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.
- basidiomycete — any fungus of the phylum Basidiomycota (formerly class Basidiomycetes), in which the spores are produced in basidia. The group includes boletes, puffballs, smuts, and rusts
- 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
- bimetallistic — relating to bimetallism
- bioaccumulate — (of substances, esp toxins) to build up within the tissues of organisms
- biocompatible — not rejected by the body
- biosystematic — relating to biosystematics
- black margate — a grayish grunt, Anisotremus surinamensis, of the Atlantic Ocean from Florida to Brazil.
- blame culture — the tendency to look for one person or organization that can be held responsible for a bad state of affairs, an accident, etc
- bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
- bootlace worm — a nemertean worm, Lineus longissimus, that inhabits shingly shores and attains lengths of over 6 m (20 ft)
- bureaucratism — an official of a bureaucracy.
- 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.