Learning / English Dictionary |
CALCULUS
Pronunciation (US): | (GB): |
Irregular inflected form: calculi
I. (noun)
Sense 1
Meaning:
The branch of mathematics that is concerned with limits and with the differentiation and integration of functions
Synonyms:
calculus; infinitesimal calculus
Classified under:
Nouns denoting cognitive processes and contents
Hypernyms ("calculus" is a kind of...):
pure mathematics (the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness)
Domain category:
math; mathematics; maths (a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement)
Hyponyms (each of the following is a kind of "calculus"):
analysis (a branch of mathematics involving calculus and the theory of limits; sequences and series and integration and differentiation)
differential calculus; method of fluxions (the part of calculus that deals with the variation of a function with respect to changes in the independent variable (or variables) by means of the concepts of derivative and differential)
integral calculus (the part of calculus that deals with integration and its application in the solution of differential equations and in determining areas or volumes etc.)
calculus of variations (the calculus of maxima and minima of definite integrals)
Derivation:
calculate (make a mathematical calculation or computation)
Sense 2
Meaning:
A hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
Example:
renal calculi can be very painful
Synonyms:
calculus; concretion
Classified under:
Nouns denoting natural objects (not man-made)
Hypernyms ("calculus" is a kind of...):
rock; stone (a lump or mass of hard consolidated mineral matter)
Hyponyms (each of the following is a kind of "calculus"):
bladder stone; cystolith (a calculus formed in the bladder)
enterolith (a calculus occurring in the intestines)
bilestone; gallstone (a calculus formed in the gall bladder or its ducts)
kidney stone; nephrolith; renal calculus; urinary calculus (a calculus formed in the kidney)
ptyalith (calculus in a salivary gland)
salivary calculus; sialolith (a stone formed in the salivary gland)
urolith (a urinary stone)
Derivation:
calculous (relating to or caused by or having a calculus or calculi)
Sense 3
Meaning:
An incrustation that forms on the teeth and gums
Synonyms:
Classified under:
Nouns denoting natural objects (not man-made)
Hypernyms ("calculus" is a kind of...):
crust; encrustation; incrustation (a hard outer layer that covers something)