12-letter words containing tr
- apron string — a string for tying an apron on
- arbitrageurs — Plural form of arbitrageur.
- arbitrations — Plural form of arbitration.
- arc spectrum — a spectrum formed from the light produced by an electric arc, characteristic of the gas or vapor through which the arc passes.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- arched truss — a truss having an archlike form but unlike a true arch in that it is free to move horizontally at its base, as in expanding or contracting because of temperature changes.
- arms control — an agreement between two or more countries to reduce the number of weapons owned, with the aim of preventing war
- astral plane — a plane of existence inhabited by astral bodies
- astringently — In the manner of an astringent.
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- astrocompass — a navigational instrument for giving directional bearings from the centre of the earth to a particular star. It is carried in long-range aircraft, ships, spacecraft, etc
- astrocytomas — Plural form of astrocytoma.
- astrodynamic — Pertaining to astrodynamics.
- astrogeology — the study of the structure, composition, and history of other planets and other bodies in the solar system
- astrological — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- astronautics — the science and technology of space flight
- astronomical — If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.
- astrophysics — Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space.
- astrotourist — a person who pays to travel into space as a form of recreation
- astroturfing — a PR tactic used in politics and advertising in which actors are paid to display overt and apparently spontaneous grassroots support for a particular product, policy, or event
- asymmetrical — Something that is asymmetrical has two sides or halves that are different in shape, size, or style.
- at a stretch — with some difficulty; by making a special effort
- atrabilarian — Characterized by melancholy or glum; atrabilarious; atrabilious.
- attractingly — in a manner that attracts
- attractively — In an attractive manner; with the power of attracting or drawing to.
- attractivity — The quality or degree of attractive power or influence.
- attributable — If something is attributable to an event, situation, or person, it is likely that it was caused by that event, situation or person.
- attributions — Plural form of attribution.
- au contraire — on the contrary
- australasian — Australasian means belonging or relating to Australasia or to its people.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- austronesian — of or relating to Austronesia, its peoples, or their languages
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- awe-stricken — filled with awe.
- axisymmetric — being symmetrical around an axis
- bach trumpet — a modern small three-valved trumpet for playing clarino passages in Bach's music
- back country — The back country is an area that is a long way from any city and has very few people living in it.
- back stretch — the straight part of a race track opposite the part leading to the finish line.
- backtrackers — Plural form of backtracker.
- backtracking — to return over the same course or route.
- ball control — the skill of controlling the ball in a game such as football or tennis
- ballad metre — the metre of a ballad stanza
- bardolatrous — relating to or characterized by bardolatry
- bariatrician — a physician who specializes in bariatrics.
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- barratrously — In a barratrous manner.
- bay rum tree — a tropical American myrtaceous tree, Pimenta racemosa, that yields an oil used in making bay rum
- beaten track — well-trodden path or route
- beauty strip — a narrow forest corridor left uncut alongside a road or body of water.