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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.
Tropic of Cancer an imaginary line around the earth parallel to the equator and about twenty-three degrees north of it, representing the northernmost latitude at which the sun is ever directly overhead.
Tropic of Capricorn an imaginary line around the earth parallel to the equator and about twenty-three degrees south of it, representing the southernmost latitude at which the sun is ever directly overhead.
tropics the region of the earth that is near the equator and that is known for having a hot climate.
-tropism an organism's attraction to, or repulsion from, a stimulus.
tropism in biology, the turning or growth of an organ or organism toward or away from an external stimulus such as light, gravity, or nutrients.
tropology the use of tropes or figurative language in writing. [3 definitions]
troposphere the innermost layer of the atmosphere, up to six to twelve miles above the earth's surface, in which clouds and other weather conditions occur.