#1
calculus n. [
concretion] a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body; "renal calculi can be very painful"
. wn #2
calculus n. [
tartar, tophus] an incrustation that forms on the teeth and gums
. wn #3
calculus n. [
infinitesimal calculus] the branch of mathematics that is concerned with limits and with the differentiation and integration of functions
. wn