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calcium acetylide
calcium antagonist
calcium carbide
calcium carbonate
calcium chloride
calcium cyanamide
calcium cyanide
calcium cyclamate
calcium fluoride
calcium gluconate
calcium hydroxide
calcium hypochlorite
calcium nitrate
calcium oxide
calcium phosphate
calcium sulfate
calcrete
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calculus

cal·cu·lus [ kálkyələss ] (plural cal·cu·li [ kálkyə l ] or cal·cu·lus·es)


noun 
Definition:
 
1. mathematics branch of mathematics: a branch of mathematics dealing with the way that relations between some sets functions are affected by very small changes in one of their variables independent variables as they approach zero. It is used to find slopes of curves, rates of change, and volumes of curved figures.
See also  differential calculusintegral calculus


2. mathematics logic method of calculation: a method or system of calculation using symbols or symbolic logic

3. medicine stone: a stone or concretion, especially one in the kidney, gallbladder, or urinary bladder ( technical )

4. dentistry 
Same as  tartar (sense 1)


5. nonmathematical decision-making criteria: a nonmathematical evaluation, estimation, or computation, e.g. in short- or long-term decision making or strategy formulation

[Mid-17th century. < Latin, "pebble," diminutive of calx (see calx)]
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