pre·cise 
/prɪˈsaɪs/ adjective
/prɪˈsaɪs/ adjective 1 a [more precise; most precise] : very accurate and exact
▪ Be sure to take precise measurements before you cut the cloth. ▪ The dating of very old materials has become more precise with new instruments. ▪ a precise definition ▪ The word has a very precise meaning. ▪ Can you find a more precise term than “good” to describe the movie? ▪ Could you be a little more precise about what happened?
b always used before a noun — used to refer to an exact and particular time, location, etc. ▪ She quietly closed the door to the baby's room, and at just that precise moment the phone began to ring. 2 [more precise; most precise] : very careful and exact about the details of something
▪ She is very precise in her work.
▪ Be sure to take precise measurements before you cut the cloth. ▪ The dating of very old materials has become more precise with new instruments. ▪ a precise definition ▪ The word has a very precise meaning. ▪ Can you find a more precise term than “good” to describe the movie? ▪ Could you be a little more precise about what happened?
b always used before a noun — used to refer to an exact and particular time, location, etc. ▪ She quietly closed the door to the baby's room, and at just that precise moment the phone began to ring.
▪ She is very precise in her work.
to be precise
— used to indicate that a statement is accurate and specific ▪ one night in early summer—June 22, to be precise
— pre·cise·ly adverb
▪ It is precisely [=exactly] two o'clock. ▪ He knows precisely how much money he has. ▪ “Do you mean that the system is outdated?” “Precisely.” = “Yes, that's precisely what I mean.” ▪ The king was popular precisely because he was so kind and generous. ▪ I have a doctor's appointment this afternoon, or, more precisely, at two o'clock this afternoon.
▪ It is precisely [=exactly] two o'clock. ▪ He knows precisely how much money he has. ▪ “Do you mean that the system is outdated?” “Precisely.” = “Yes, that's precisely what I mean.” ▪ The king was popular precisely because he was so kind and generous. ▪ I have a doctor's appointment this afternoon, or, more precisely, at two o'clock this afternoon.
— pre·cise·ness noun [noncount]
▪ the preciseness of the measurements ▪ She does her work with preciseness. [=precision]
▪ the preciseness of the measurements ▪ She does her work with preciseness. [=precision]
