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raccoon

(Encyclopedia)raccoon, nocturnal New World mammal of the genus Procyon. The common raccoon of North America, Procyon lotor, also called coon, is found from S Canada to South America, except in parts of the Rocky Mt...

radon

(Encyclopedia)radon rāˈdŏn [key], gaseous radioactive chemical element; symbol Rn; at. no. 86; mass no. of most stable isotope 222; m.p. about −71℃; b.p. −61.8℃; density 9.73 grams per liter at STP; vale...

sponge

(Encyclopedia)sponge, common name for members of the aquatic animal phylum Porifera, and for the dried, processed skeletons of certain species used to hold water. Over 4,500 living species are known; they are found...

Coward, Noël

(Encyclopedia)Coward, Noël (Sir Noël Pierce Coward) nōˈəl [key], 1899–1973, English playwright, actor, composer, and director, b. Teddington, England. Coward first gained wide prominence in 1924 acting in hi...

coke

(Encyclopedia)coke, substance obtained by the destructive distillation of bituminous coal. Coke bears the same relation to coal as does charcoal to wood. A hard, gray, massive, porous fuel, coke is the solid residu...

iguana

(Encyclopedia)iguana ĭgwäˈnə [key], name for several large lizards of the family Iguanidae, found in tropical America and the Galapagos. The common iguana (Iguana iguana) is a tree-living, strictly vegetarian s...

Grisons

(Encyclopedia)Grisons grēsŏnzˈ, Fr. grēzôNˈ [key], Ger. Graubünden, Ital. Grigioni, Romansch Gri...

white-eye

(Encyclopedia)white-eye, common name for warblerlike, arboreal birds, including 85 species in the family Zosteropidae, and for certain species of ducks. The members of Zosteropidae, with the exception of a few spec...

tungsten

(Encyclopedia)tungsten tŭngˈstən [key] [Swed.,=heavy stone], metallic chemical element; symbol W; at. no. 74; at. wt. 183.84; m.p. about 3,410℃; b.p. 5,660℃; sp. gr. 19.3 at 20℃; valence +2, +3, +4, +5, or...

tent caterpillar

(Encyclopedia)tent caterpillar, common name for the larvae of the members of a family of moths (Lasiocampidae), easily recognized by the large silk tents, or webs, that the larvae construct during the spring in the...