Jun 15, 2026 · Many of us often use precision and accuracy as synonyms, but not scientists and engineers. For them, accuracy describes a particular measurement—that is, how close it is to the …

PRECISION definition: 1. the quality of being exact: 2. the qualities of being careful and accurate: 3. the quality of…. Learn more.

Jan 13, 2026 · Accuracy is how close a measurement is to the true value while precision is close measurements are to each other. Accuracy and precision are two important concepts in science.

Accuracy is the proximity of measurement results to the accepted value; precision is the degree to which repeated (or reproducible) measurements under unchanged conditions show the same results.

Precision is also the level of agreement of a particular measurement with itself when it is repeated.

PRECISION definition: the state or quality of being precise. See examples of precision used in a sentence.

If you do something with precision, you do it exactly as it should be done. The choir sang with precision. The interior is planned with a precision the military would be proud of.

Precision is related to the type I error rate, but in a slightly more complicated way, as it also depends upon the prior distribution of seeing a relevant vs. an irrelevant item.

Definition of precision noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. Used or intended for accurate or exact measurement: a precision tool. 2. Made so as to vary minimally from a set standard: precision components. 3. Of or characterized by accurate action: …