precision

UK: /prɪˈsɪʒ^ən/ US: /prɪˈsɪʒən/ ,(pri sizh′ən)

WordReference Random House Learner's Dictionary of American English © 2025

pre•ci•sion /prɪˈsɪʒən/   n. [uncountable]

1. the state or quality of being precise:
   His writing is a model of clarity and precision.
2. mechanical or scientific exactness:
   That lens was ground with great precision.

adj. 

3. of or relating to great precision:
   precision instruments.

See -cise-.

WordReference Random House Unabridged Dictionary of American English © 2025

pre•ci•sion  (pri sizh′ən), n. 

1. the state or quality of being precise.
2. accuracy;
   exactness:
   to arrive at an estimate with precision.
3. mechanical or scientific exactness:
   a lens ground with precision.
4. punctiliousness;
   strictness:
   precision in one's business dealings.
5. Mathematics the degree to which the correctness of a quantity is expressed. Cf. accuracy (def. 3).
6. Chemistry, Physics the extent to which a given set of measurements of the same sample agree with their mean. Cf. accuracy (def. 2).

adj. 

7. of, pertaining to, or characterized by precision:
   precision swimming; precision instruments for aircraft.

• Latin praecīsiōn- (stem of praecīsiō) a cutting off. See precise, -ion
• 1630–40

pre•ci′sion•al, adj. 
Synonyms

• 2. preciseness, meticulousness, rigor.

Collins Concise English Dictionary © HarperCollins Publishers::

precision / prɪˈsɪʒən/ noun

1. the quality of being precise; accuracy
2. (modifier) characterized by or having a high degree of exactness: precision grinding, a precision instrument

Etymology: 17th Century: from Latin praecīsiō a cutting off; see precise

preˈcisionism noun

preˈcisionist noun