Meaning of “approximate” - Learner’s Dictionary

approximate

verb [ T ] us uk /əˈprɒksɪmeɪt/ also approximate to formal

to be almost the same as something

approximation noun [ C, U ] us uk /əˌprɒksɪˈmeɪʃən/

(Definition of “approximate verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)