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bellflower, in botany

(Encyclopedia)bellflower or bluebell, name commonly used as a comprehensive term for members of the Campanulaceae, a family of chiefly herbaceous annuals or perennials of wide distribution, characteristically found...

triangle , in mathematics

(Encyclopedia)triangle, in mathematics, plane figure bounded by three straight lines, the sides, which intersect at three points called the vertices. Any one of the sides may be considered the base of the triangle....

triangle , in music

(Encyclopedia)triangle, in music, percussion instrument consisting of a steel rod bent into a triangle, open at one angle, and struck with a steel rod. Only since the end of the 18th cent. has it been an orchestral...

Triton , in astronomy

(Encyclopedia)Triton trītˈən [key], in astronomy, innermost and largest of the eight known moons, or natural satellites, of Neptune. ...

thorn , in botany

(Encyclopedia)thorn, sharp-pointed projection on some plants, usually protective in function. Botanically, thorns are distinguished as modified stems (as in the honey locust and hawthorn) from spines, which are mod...

thrush , in zoology

(Encyclopedia)thrush, bird, common name for members of the Turdidae, a large family of birds found in most parts of the world and noted for their beautiful song. The majority are modestly colored, with spotted unde...

thrush , in medicine

(Encyclopedia)thrush, in medicine, infection caused by the fungus Candida albicans, manifested by white, slightly raised patches on the mucous membrane of the tongue, mouth, and throat. The mucous membrane beneath ...

time , in music

(Encyclopedia)time, in music: see tempo; meter; rhythm; syncopation; metronome and musical notation. ...

timothy , in botany

(Encyclopedia)timothy or herd's-grass, perennial plant (Phleum pratense) of the family Poaceae (grass family), native to Europe and W Asia and one of the most widely cultivated hay grass of North America. Adaptable...

Titan , in astronomy

(Encyclopedia)Titan tīˈtən [key], in astronomy, the largest of the named moons, or natural satellites, of Saturn. Also known as Saturn VI (or S6), Titan is 3,200 mi (5,150 km) in diameter, orbits Saturn at a mea...