Meaning of “approximately” - Learner’s Dictionary

approximately

adverb us uk /əˈprɒksɪmətli/
Extra Examples
THere will be approximately a hundred and twenty guests.I estimated fairly approximately the costs involved.The cost will be approximately four thousand pounds.It's approximately in the same direction.The latitude of Helsinki is approximately 60 degrees north.

B1 close to a particular number or time although not exactly that number or time:

The college has approximately 700 students.

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