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# calculate (v.)

1560s, "to ascertain by computation, estimate by mathematical means," from Latin calculatus, past participle of calculare "to reckon, compute," from calculus (see calculus). Meaning "to plan, devise" is from 1650s; hence "to purpose, intend" and "to think, guess" (1830), both U.S. idioms. Replaced earlier calculen (mid-14c.), from Old French calculer. Related: Calculable.

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Definitions of

*calculate*### Dictionary entries near *calculate*

calcareous

calcify

calcite

calcitrant

calcium

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calculated

calculating

calculation

calculator

calculous