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rosin

(Encyclopedia)rosin or colophony, hard, brittle, translucent resin, obtained as a solid residue from crude turpentine. Usually pale yellow or amber, its color may vary from brownish-black to transparent depending o...

camphor

(Encyclopedia)camphor kămˈfər [key], C10H16O, white, crystalline solid ketone with a characteristic pungent odor and taste. It melts at 176℃ and boils at 204℃. The natural variety, Japan camphor, is obtained...

carpet beetle

(Encyclopedia)carpet beetle, name for several beetles that are highly destructive to carpets and upholstery and are classified in the same family as the larder beetles. Adult beetles of this family are pollen eater...

Pembroke Welsh corgi

(Encyclopedia)Pembroke Welsh corgi, breed of short-legged, hardy working dog thought to have been introduced into South Wales by Flemish immigrants in the early 12th cent. It stands from 10 to 12 in. (25.4–30.5 c...

pencil

(Encyclopedia)pencil, pointed implement used in writing or drawing to apply graphite or a similar colored solid to any surface, especially paper. From prehistoric times lumps of colored earth or chalk were used as ...

fats and oils

(Encyclopedia)fats and oils, group of organic substances that form an important part of the diet and also are useful in many industries. The fats are usually solid, the oils generally liquid at ordinary room temper...

lubrication

(Encyclopedia)lubrication, introduction of a substance between the contact surfaces of moving parts to reduce friction and to dissipate heat. A lubricant may be oil, grease, graphite, or any substance—gas, liquid...

Eliot, T. S.

(Encyclopedia)Eliot, T. S. (Thomas Stearns Eliot), 1888–1965, American-British poet and critic, b. St. Louis, Mo. One of the most distinguished literary figures of the 20th cent., T. S. Eliot won the 1948 Nobel P...

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...

quasicrystal

(Encyclopedia)quasicrystal kwāˈzīkrĭsˌtəl, kwäzˈē– [key] or quasiperiodic solid, solid body that exhibits such crystalline features as symmetry and repeating patterns of unit cells (regular arrangements ...