Those qualities or features that are imperfect; the characteristic, state, or quality of being imperfect.
Something that makes something else less than perfect; a blemish, impurity, error, etc.
The number of significant digits to which a value may be measured reliably.
The ability of a measurement to be reproduced consistently.
A bidding system that makes use of many artificial bids to describe a hand quite precisely.
The state of being precise or exact; exactness.
Made, or characterized by accuracy.
Used for exact or precise measurement.