| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024cal•cu•lus /ˈkælkyələs/USA pronunciation n. [uncountable]- Mathematicsa branch of mathematics that calculates amounts that change constantly:Calculus can help you figure out how fast an object falls.
- Dentistrya hard, yellowish substance on teeth formed from dental plaque;
tartar.
WordReference Random House Unabridged Dictionary of American English © 2024cal•cu•lus (kal′kyə ləs),USA pronunciation n., pl. -li (-lī′),USA pronunciation -lus•es. - Mathematicsa 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.
- Pathologya stone, or concretion, formed in the gallbladder, kidneys, or other parts of the body.
- DentistryAlso called tartar. 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.
- calculation:the calculus of political appeal.
- Latin: pebble, small stone (used in reckoning), equivalent. to calc- (stem of calx stone) + -ulus -ule
- 1610–20
+ n. - calculation:the calculus of political appeal.
Collins Concise English Dictionary © HarperCollins Publishers:: calculus /ˈkælkjʊləs/ n ( pl -luses)- a branch of mathematics, developed independently by Newton and Leibniz. Both differential calculus and integral calculus are concerned with the effect on a function of an infinitesimal change in the independent variable as it tends to zero
- any mathematical system of calculation involving the use of symbols
- ( pl -li / -ˌlaɪ/) a stonelike concretion of minerals and salts found in ducts or hollow organs of the body
Etymology: 17th Century: from Latin: pebble, stone used in reckoning, from calx small stone, counter |