Meaning of CALCULUS in English

/kal"kyeuh leuhs/ , n. , pl. calculi /-luy'/ , calculuses .

1. Math. a method of calculation, esp. one of several highly systematic methods of treating problems by a special system of algebraic notations, as differential or integral calculus.

2. Pathol. a stone, or concretion, formed in the gallbladder, kidneys, or other parts of the body.

3. Also called tartar . Dentistry. a hard, yellowish to brownish-black deposit on teeth formed largely through the mineralization of dead bacteria in dental plaques by the calcium salts in salivary secretions and subgingival transudates.

4. calculation: the calculus of political appeal.

[ 1610-20; calc- (s. of calx stone) + -ulus -ULE ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .