13-letter words containing o, a, t, m
- 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.
- 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
- axiomatically — pertaining to or of the nature of an axiom; self-evident; obvious.
- 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.
- 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
- 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.
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- bartholomew i — (Dimitrios Archontonis) born 1940, Archbishop of Constantinople and Ecumenical Patriarch of the Eastern Orthodox Church since 1991.
- 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
- bergamot mint — an aromatic herb, Mentha piperita citrata, having a lemonlike odor when crushed.
- betamethasone — a synthetic analogue of a glucocorticoid, C 22 H 29 FO 5 , used in various forms in the treatment of inflammation, allergies, and tumors, and for replacement therapy in adrenal insufficiency.
- bioaccumulate — (of substances, esp toxins) to build up within the tissues of organisms
- biocompatible — not rejected by the body
- biosystematic — relating to biosystematics
- bitonal image — (graphics) An image consisting only of a foreground colour and a background colour. Compare monochrome.
- bitter almond — a variety of almond whose bitter seeds yield hydrocyanic acid upon hydrolysis
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- blastomycosis — a fungal infection particularly affecting the lungs
- board meeting — a meeting of the board of a company or other organization
- bohr magneton — a unit that is used to indicate the magnetic moment of the electron structure in an atom, equal to 9.27 × 10 −21 erg/gauss.
- bombastically — (of speech, writing, etc.) high-sounding; high-flown; inflated; pretentious.
- bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
- boom operator — a person who operates a boom
- boom-and-bust — characteristic of a period of economic prosperity followed by a depression.
- bootlace worm — a nemertean worm, Lineus longissimus, that inhabits shingly shores and attains lengths of over 6 m (20 ft)
- boston matrix — a two-dimensional matrix, used in planning the business strategy of a large organization, that identifies those business units in the organization that generate cash and those that use it
- bottom drawer — a young woman's collection of clothes, linen, cutlery, etc, in anticipation of marriage