ultraprecision

the quality or state of being very accurate an instrument that can measure changes in the size of tumors with an ultraprecision that is astonishing Synonyms accuracy, accurateness, closeness, delicacy, exactitude, exactness, fineness, nicety, perfection, preciseness, rigor, rigorousness, precision, veracityRelated Words correctness, fidelity, rightness, strictness, truth; definiteness, definitiveness, definitude, determinacy; nicety, subtlety; care, carefulness, fastidiousness, meticulousness, persnicketinessNear Antonyms approximation, roundness; falseness, falsity, incorrectness, wrongness; carelessness, guesswork, looseness; indefiniteness, vaguenessAntonyms coarseness, impreciseness, imprecision, inaccuracy, inexactitude, inexactness, roughness