13-letter words containing m, a, n, t
- antisocialism — the quality of being antisocial
- antispasmodic — preventing or arresting spasms, esp in smooth muscle
- antisubmarine — (of weapons, missiles, etc) designed to combat or destroy submarines
- 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…"
- antiterrorism — opposed to or acting against terrorism; counterterrorist
- apparent time — Astronomy. local time measured by the hour angle of the sun.
- apparentement — a coalition formed between political parties during an election.
- apportionment — the act of apportioning
- approximating — Present participle of approximate.
- approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
- archimandrite — the head of a monastery or a group of monasteries
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- argumentative — Someone who is argumentative is always ready to disagree or start quarrelling with other people.
- arithmetician — a person skilled in arithmetic
- arm wrestling — a contest in which two people sit facing each other each with one elbow resting on a table, clasp hands, and each tries to force the other's arm flat onto the table while keeping his own elbow touching the table
- armamentarium — the items that comprise the material and equipment used by a physician in his professional practice
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- armstand dive — a dive starting from a handstand at the end of a springboard or a platform with the diver's back to the water.
- aromatization — the conversion of aliphatic or alicyclic compounds to aromatic hydrocarbons.
- 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.
- assimilations — Plural form of assimilation.
- assumptionist — Augustinian of the Assumption.
- asti spumante — a sweet, sparkling Italian white wine with a muscat flavor.
- astonishments — Plural form of astonishment.
- 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
- augmentations — Plural form of augmentation.
- australianism — the Australian national character or spirit
- automatonlike — Like an automaton; robotic.
- 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
- avant-gardism — the attitudes, techniques, etc., of the cultural avant-garde.
- 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
- 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.
- 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.
- bass trombone — the lower-pitched of the two main types of trombone
- bathylimnetic — (of an organism) living in the depths of lakes and marshes
- battering ram — A battering ram is a long heavy piece of wood that is used to knock down the locked doors of buildings.