I. pre ‧ ci ‧ sion 1 AC /prɪˈsɪʒ ə n/ BrE AmE noun [uncountable]
[ Word Family: adjective : ↑ precise ≠ ↑ imprecise , ↑ precision ; noun : ↑ precision ≠ ↑ imprecision ; adverb : ↑ precisely ≠ ↑ imprecisely ]
the quality of being very exact or correct
with precision
The work was carried out with military precision (=the work was done in a carefully planned and exact way) .
II. precision 2 AC BrE AmE adjective [only before noun]
[ Word Family: adjective : ↑ precise ≠ ↑ imprecise , ↑ precision ; noun : ↑ precision ≠ ↑ imprecision ; adverb : ↑ precisely ≠ ↑ imprecisely ]
1 . made or done in a very exact way:
precision engineering
precision bombing
2 . precision tool/instrument a precision tool or instrument is used for making or measuring something in a very exact way