13-letter words containing a, m, t
- atamasco lily — any of a genus (Zephyranthes) of bulbous plants of the lily family, with hollow stems, grassy leaves, and funnel-shaped flowers of yellow, pink, red, or purple-tinged white
- 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
- atomistically — Also called atomic theory. Philosophy. the theory that minute, discrete, finite, and indivisible elements are the ultimate constituents of all matter.
- attested form — a linguistic form that can be shown to be in use or in written records
- augmentations — Plural form of augmentation.
- 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.
- australianism — the Australian national character or spirit
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- autodidactism — Alternative form of autodidacticism.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- automagically — automatically; in a way that is hidden from or not understood by the user, and in that sense, apparently “magical”: I downloaded an app that automagically adds a travel itinerary to my calendar whenever I buy a plane ticket.
- automatically — without volition or from force of habit; mechanically: Whenever I hear that song, I automatically think of my dad.
- automatograph — a device for recording involuntary bodily movements.
- automatonlike — Like an automaton; robotic.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autonomically — autonomous.
- autoradiogram — autoradiograph
- autoschediasm — anything done with little forethought or preparation
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- avant-gardism — the attitudes, techniques, etc., of the cultural avant-garde.
- axiomatically — pertaining to or of the nature of an axiom; self-evident; obvious.
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- baal shem tov — original name Israel ben Eliezer ?1700–60, Jewish religious leader, teacher, and healer in Poland: founder of modern Hasidism
- baal-shem-tov — (Israel ben Eliezer"Besht") c1700–60, Ukrainian teacher and religious leader: founder of the Hasidic movement of Judaism.
- babbitt metal — any of a number of alloys originally based on tin, antimony, and copper but now often including lead: used esp in bearings
- 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
- baggagemaster — a person employed, especially by a railroad, bus company, or steamship line, to take charge of passengers' baggage.
- ballet master — a man who teaches and rehearses the dancers in a ballet company
- baluster stem — a stem of a drinking glass or the like having a gradual swelling near the top or bottom.
- bamboo shoots — the shoots of the bamboo plant, often used as food in Asian dishes
- bamboozlement — The act or process of bamboozling or being bamboozled.
- 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
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- bantamweights — Plural form of bantamweight.
- bartholomew i — (Dimitrios Archontonis) born 1940, Archbishop of Constantinople and Ecumenical Patriarch of the Eastern Orthodox Church since 1991.
- basement flat — a flat below the ground floor of a building
- 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
- bass trombone — the lower-pitched of the two main types of trombone