11-letter words containing t, r
- arbitrageur — a person who engages in arbitrage
- arbitrament — the decision or award made by an arbitrator upon a disputed matter
- arbitraries — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- arbitrarily — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- arbitrarity — The quality or state of being arbitrary.
- arbitrating — to decide as arbitrator or arbiter; determine.
- arbitration — Arbitration is the judging of a dispute between people or groups by someone who is not involved.
- arbitrative — having the power to arbitrate
- arbitrators — Plural form of arbitrator.
- arbitratrix — a female arbitrator
- arbitrement — the act of arbitrating; arbitration.
- arbor vitae — any of several Asian and North American evergreen coniferous trees of the genera Thuja and Thujopsis, esp Thuja occidentalis, having tiny scalelike leaves and egglike cones
- arborescent — having the shape or characteristics of a tree
- arborvitaes — Plural form of arborvitae.
- arc tangent — the angle, measured in radians, that has a tangent equal to a given number. Symbol: tan −1. Abbreviation: arc tan;
- arc-boutant — flying buttress.
- archaeocyte — (in sponges) a type of amoebocyte capable of developing into other types of cells, especially reproductive cells.
- archenteric — Of or pertaining to an archenteron.
- archenteron — the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
- archeometry — the branch of archaeology that deals with the dating of archaeological specimens through specific techniques, as radiocarbon dating and amino-acid dating.
- archicortex — (anatomy) Part of the allocortex, specifically three layered hippocampal cortexes necessary for hippocampus formation.
- architected — a person who engages in the profession of architecture.
- architector — (obsolete) An architect.
- architraved — having an architrave or architraves
- architraves — Plural form of architrave.
- archpriests — Plural form of archpriest.
- archtraitor — A chief or transcendent traitor.
- arctic char — a char, Salvelinus alpinus, that occurs in northern and arctic seas
- arctic hare — a large hare, Lepus arcticus, of the Canadian Arctic whose fur is white in winter
- arctic seal — rabbit fur that has been sheared and dyed to simulate sealskin.
- arctic skua — a predatory gull-like bird, Stercorarius parasiticus, which harasses terns or gulls into dropping or disgorging fish they have caught; it breeds in northern Eurasia and North America
- arctic tern — a black-capped tern, Sterna paradisea, that breeds in the Arctic and then migrates as far south as the Antarctic
- arctic zone — the section of the earth's surface lying between the Arctic Circle and the North Pole.
- arcticology — the scientific study of the Polar Regions.
- arctophilia — the practice of collecting teddy bears
- arena stage — the central acting area found in a theatre-in-the-round
- areocentric — relating to a reference system which has Mars as its centre
- argentinean — a native or inhabitant of Argentina.
- argentinian — Argentinian means belonging or relating to Argentina or its people.
- argumentive — argumentative
- aristarchus — a crater in the NE quadrant of the moon, having a diameter of about 37 kilometres, which is the brightest formation on the moon
- aristocracy — The aristocracy is a class of people in some countries who have a high social rank and special titles.
- aristocrats — Plural form of aristocrat.
- aristoteles — a walled plain in the first quadrant of the face of the moon: about 60 miles (97 km) in diameter.
- arith-matic — (language) An extension of Grace Hopper's A-2 programming language, developed in about 1955. ARITH-MATIC was originally known as A-3, but was renamed by the marketing department of Remington Rand UNIVAC.
- arithmetics — Plural form of arithmetic.
- arkeologist — Someone who studies the story of Noah's Ark, particularly by searching for physical evidence which would corroborate it.
- arm-wrestle — (of two people) to sit facing each other with the elbows resting on a table and clasping hands with each other, each trying to force the other's arm flat onto the table while keeping his or her own elbow touching the table
- armentieres — a town in N France: site of battles in both World Wars. Pop: 25 273 (1999)
- armor plate — a protective covering of specially hardened steel plates, as on a tank