calculus
calculus Lexical Profile
calculus Game Scores & Validity
• noun
The branch of mathematics that deals with the finding and properties of derivatives and integrals of functions, by methods originally based on the summation of infinitesimal differences.
"Engineering students must master both differential and integral calculus during their first year of university."
A particular method or system of calculation, reasoning, or symbolic logic, or a complex assessment of competing factors used to reach a decision.
"The sudden shift in public opinion completely altered the political calculus ahead of the election."
An abnormal hard mass or concretion of mineral salts formed within the body, especially in hollow organs or ducts such as the kidney or gallbladder, or calcified plaque on the teeth.
"The dental hygienist used an ultrasonic scaler to remove stubborn calculus from along the patient's gumline."
Word Nuance & Usage
While uncountable in its primary mathematical sense, 'calculus' takes the Latin plural 'calculi' in medicine and logic, or 'calculuses' in general usage.
• Rhymes for calculus
• Nearby Words
Word Origin & Etymology
Borrowed from Latin 'calculus', meaning 'a small pebble' (diminutive of 'calx', 'limestone'), referring to the small stones ancient Romans used on counting boards and abacuses to perform calculations.