13-letter words containing m, t, r
- anti-american — opposed to anything of or relating to the United States of America
- anti-macassar — a small covering, usually ornamental, placed on the backs and arms of upholstered furniture to prevent wear or soiling; a tidy.
- anti-monarchy — a state or nation in which the supreme power is actually or nominally lodged in a monarch. Compare absolute monarchy, limited monarchy.
- anti-morality — conformity to the rules of right conduct; moral or virtuous conduct.
- anti-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- anticlinorium — a vast elongated anticline with its strata further folded into anticlines and synclines
- antiempirical — Going against what is empirically true.
- antiformalist — opposed to formalism
- antiimmigrant — Opposing immigrants or immigration.
- antilogarithm — a number whose logarithm to a given base is a given number
- antimacassars — Plural form of antimacassar.
- antimarijuana — opposed to or acting against the use of marijuana
- antimarketeer — a person who was opposed to the United Kingdom joining the European Union
- antimicrobial — capable of destroying or inhibiting the growth of disease-causing microbes
- antimodernism — modern character, tendencies, or values; adherence to or sympathy with what is modern.
- antimodernist — opposed to modernism
- antireformers — Plural form of antireformer.
- antirheumatic — acting against rheumatism
- antiritualism — opposed to ritualism
- 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
- aperture mask — a perforated metal plate situated behind the faceplate of a color television picture tube and having holes aligned to insure that each of three electron beams strikes only its corresponding red, green, or blue phosphor dot.
- apogeotropism — negative geotropism, as shown by plant stems
- apoplectiform — of or resembling apoplexy or stroke.
- 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
- approximately — close to; around; roughly or in the region of
- 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.
- approximative — (of a method, description, etc.) giving only an approximation to something.
- 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
- 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.
- aristocratism — the principles of aristocrats
- arithmetician — a person skilled in arithmetic
- arithmophobia — the fear of numbers
- 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
- armistice day — the anniversary of the signing of the armistice that ended World War I, on Nov 11, 1918, now kept on Remembrance Sunday
- 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.
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order 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.
- astrodynamics — the study of the motion of natural and artificial bodies in space