the condition or quality of being true, correct, or exact; freedom from error or defect; precision or exactness; correctness.

Chemistry, Physics . the extent to which a given measurement agrees with the standard value for that measurement. Compare precision ( def. 6 ) .

Mathematics . the degree of correctness of a quantity, expression, etc. Compare precision ( def. 5 ) .

noun

erroneousness , falsehood , inaccuracy , mistake

noun

accurateness , carefulness , certainty , closeness , definiteness , definitiveness , definitude , efficiency , exactitude , exactness , faultlessness , incisiveness , mastery , meticulousness , preciseness , sharpness , skill , skillfulness , strictness , sureness , truthfulness , veracity , verity , correctness , fidelity , truth , veraciousness , veridicality , precision , rightness