Calculus

Pronunciation

• IPA: /ˈkælkjuːlÉ™s/

Origin

Latin calculus ("a pebble or stone used for counting"), diminutive of calx ("limestone") + -ulus.

Noun

1. (dated, countable) calculation, computation
2. (countable, mathematics) Any formal system in which symbolic expressions are manipulated according to fixed rules.lambda calculuspredicate calculus
3. (uncountable, often definite, the calculus) Differential calculus and integral calculus considered as a single subject; analysis.
4. (countable, medicine) A stony concretion that forms in a bodily organ.renal calculus ( = kidney stone)
5. (uncountable, dentistry) Deposits of calcium phosphate salts on teeth.
6. (countable) A decision-making method, especially one appropriate for a specialised realm.
• 2008, Dec 16, Cameron calls for bankers’ ‘day of reckoning’, The Tory leader refused to state how many financiers he thought should end up in jail, saying: “There is not some simple calculus."

Synonyms

• (in analysis) infinitesimal calculus
• (in medicine) stone
• (in dentistry) dental calculus, tartar

Derived terms

Related terms

• calcify
• calcium
• calculate