11-letter words starting with tr
- trincomalee — a seaport in E Sri Lanka.
- trinidadian — an island in the SE West Indies, off the NE coast of Venezuela: formerly a British colony in the Federation of the West Indies; now part of the republic of Trinidad and Tobago. 1864 sq. mi. (4828 sq. km).
- trinitarian — believing in or adhering to the doctrine of the Trinity.
- trinitytide — the period between Trinity Sunday and Advent.
- trio sonata — a type of baroque composition in several movements scored for two upper parts and a bass part
- trip switch — an electric switch arranged to interrupt a circuit suddenly and disconnect power from a running machine so that the machine is stopped
- tripalmitin — palmitin.
- tripersonal — consisting of or existing in three persons, as the Godhead.
- tripetalous — having three petals.
- triphibious — employing or involving land, naval, and air forces in a combined operation.
- triphyllous — having three leaves.
- triple bond — a chemical linkage consisting of three covalent bonds between two atoms of a molecule, represented in chemical formulas by three lines or six dots, as CH≡CH or CH⋮⋮CH.
- triple jump — a jumping event for distance in which a participant leaps on one foot from a takeoff point, lands on the same foot, steps forward on the other foot, leaps, and lands on both feet.
- triple play — a play in which three put-outs are made.
- triple time — musical time with three beats in each bar
- triplicated — replicated three times
- triptolemus — a favorite of Demeter and the inventor of the plow and patron of agriculture, connected with the Eleusinian mysteries.
- triquetrous — three-sided; triangular.
- trisepalous — having three sepals.
- trispermous — having three seeds.
- tristichous — arranged in three rows.
- tristimulus — as in tristimulus values, amounts of each of three colour primaries that must be combined to form an objective colour match with a sample
- trisulphide — any sulphide containing three sulphur atoms per molecule
- trisyllabic — a word of three syllables, as pendulum.
- trisyllable — a word of three syllables, as pendulum.
- tritagonist — (in ancient Greece) the third member of an acting troupe, which always consisted of three actors. Compare protagonist (def 4), deuteragonist.
- trithionate — a salt of trithionic acid
- trituration — the act of triturating.
- triumvirate — Roman History. the office or magistracy of a triumvir.
- trivalvular — having, relating to, or affecting three valves
- trivia game — a trivia game or competition is one where the competitors are asked questions about interesting but unimportant facts in many subjects
- trobar clus — a complex and obscure style of writing adopted by some 12th-century Provençal poets.
- trochophore — a ciliate, free-swimming larva common to several groups of invertebrates, as many mollusks and rotifers.
- troglobiont — any creature having a cave-dwelling mode of life.
- troglodytic — a prehistoric cave dweller.
- trojan duck — a duck that is a carrier of avian flu and is therefore a threat to other birds and also to humans, but which shows no outward signs of infection
- trolley bus — a passenger bus operating on tires and having an electric motor that draws power from overhead wires.
- trolley car — a streetcar propelled electrically by current taken by means of a trolley from a conducting wire strung overhead or running beneath a slot between the tracks.
- trombe wall — a glass-fronted exterior masonry wall that absorbs solar heat for radiation into a building.
- trombiculid — (of a mite) belonging to the family Trombiculidae
- tromometric — of, relating to, or using a tromometer
- troop train — a train used for transporting military personnel
- trophically — of or relating to nutrition; concerned in nutritive processes.
- trophoblast — the layer of extraembryonic ectoderm that chiefly nourishes the embryo or develops into fetal membranes with nutritive functions.
- trophoplasm — the cytoplasm that is involved in the nutritive processes of a cell
- trophozoite — a protozoan in the metabolically active growth stage.
- trophy room — a room in which a person or group keeps and displays trophies, as for bowling or golf.
- trophy wife — the young, often second, wife of a rich middle-aged man.
- tropic bird — any of several web-footed seabirds of the family Phaethontidae, chiefly of tropical seas, having white plumage with black markings and a pair of greatly elongated central tail feathers.
- tropicality — pertaining to, characteristic of, occurring in, or inhabiting the tropics, especially the humid tropics: tropical flowers.