Meaning of CALCULUS in English

[ 'kalkjʊləs ]

■ noun

1》 ( plural ~es ) (also infinitesimal ~ ) the branch of mathematics concerned with the determination and properties of derivatives and integrals of functions, by methods based on the summation of infinitesimal differences.

↘a particular method or system of calculation or reasoning.

2》 ( plural calculi -lʌɪ , -li: ) Medicine a concretion of minerals formed in the kidney, gall bladder, or other organ.

↘another term for tartar .


C17: from L., lit. 'small pebble'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.