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trompe l'oeil a painting or sculpture in which the illusions of three-dimensionality and tactile reality are so convincing that the viewer may not be sure if what is seen is real or represented. [2 definitions]
-tron instrument or device (used esp. in electronics and nuclear physics).
troop a band of soldiers. [7 definitions]
trooper a mounted cavalry soldier. [2 definitions]
troops members of the military; soldiers.
troopship a vessel for transporting military troops.
trope any literary or rhetorical device, such as a metaphor, that uses words in a sense different from their literal meanings; figure of speech.
trophic of or relating to nutrition or nutritive processes.
trophoblast an outer layer of cells by which the fertilized ovum attaches to the uterine wall, and through which the embryo receives nourishment.
trophoplasm a type of protoplasm that provides nourishment to a cell.
-trophy nutrition or growth.
trophy something serving as a token or memento of victory, excellence, or the like; award. [2 definitions]
-tropic turning or changing in (such) a way or in response to (such) a stimulus. [2 definitions]
tropic (often cap.; usu. pl.) the region around the equator between the Tropic of Cancer and the Tropic of Capricorn, characterized by a hot climate. [4 definitions]
tropical of, concerning, characteristic of, or occurring in the tropics. [2 definitions]
tropical cyclone a storm originating usu. over tropical seas, characterized by very low barometric pressure, great size, and hurricane-force winds swirling about a calm eye.
tropical fish any of various small or brightly colored fishes that are native to tropical waters, esp. those kept and bred in aquariums.
tropical maritime a warm, wet air mass originating over tropical oceans.
tropical storm a tropical cyclone with winds from 39 to 73 miles per hour, the stage below a hurricane in strength.
Tropical Zone see Torrid Zone.
tropic bird a tropical seabird characterized by white plumage, black markings, and a pair of very long tail feathers.