An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

The quality of lacking → precision.

From im-, variant of → in- + → precision.

1) The state or quality of being → precise.
2) The degree to which repeated measurements of a quantity give the same results under unchanged conditions. Not the same as → accuracy, but often confused as such. See → accuracy for the difference between precision and accuracy.

Verbal noun from → precise.