Search

Search results

Displaying 91 - 100

tannin

(Encyclopedia) tannin,&sp;tannic acid, or gallotannic acid, astringent vegetable product found in a wide variety of plants. Sources include the bark of oak, hemlock, chestnut, and mangrove; the…

flint, mineral

(Encyclopedia) flint, variety of quartz that commonly occurs in rounded nodules and whose crystal structure is not visible to the naked eye. Flint is dark gray, smoky brown, or black in color; pale…

snowshoes

(Encyclopedia) snowshoes, footgear enabling the wearer to walk on soft snow without sinking. A snowshoe consists of a light frame of tough wood or aluminum, roughly the shape of a large tennis racket…

lactic acid

(Encyclopedia) lactic acid, CH3CHOHCO2H, a colorless liquid organic acid. It is miscible with water or ethanol. Lactic acid is a fermentation product of lactose (milk sugar); it is present in sour…

hydrogen sulfide

(Encyclopedia) hydrogen sulfide, chemical compound, H2S, a colorless, extremely poisonous gas that has a very disagreeable odor, much like that of rotten eggs. It is slightly soluble in water and is…

Morelos

(Encyclopedia) MorelosMorelosmōrāˈlōs [key], state (1990 pop. 1,195,059), 1,917 sq mi (4,965 sq km), S Mexico. Cuernavaca is the capital. Morelos is separated from the Federal District and from…

hashish

(Encyclopedia) hashishhashishhăshˈēsh, –ĭsh [key], resin extracted from the flower clusters and top leaves of the hemp plant, Cannabis sativa, and C. indica. Hashish, called charas in India, is the…

sphere

(Encyclopedia) sphere, in geometry, the three-dimensional analogue of a circle. The term is applied to the spherical surface, every point of which is the same distance (the radius) from a certain…

barite

(Encyclopedia) baritebaritebârˈīt [key], barytesbarytesbərīˈtēz [key] [New Lat., from barium], or heavy spar, a white, yellow, blue, red, or colorless mineral. It is a sulfate of barium, BaSO4, found…

enset

(Encyclopedia) enset or false banana, large herbaceous plant, Ensete ventricosum, of the family Musaceae (the banana family), native to E and S Africa and grown for food in the Ethiopian highlands,…