Meaning of “absence” - Learner’s Dictionary

absence

noun uk us /ˈæbsəns/
NOT THERE [ C, U ]

B2 a time when you are not in a particular place:

Lisa will be acting as manager in Phil's absence (= while Phil is not here).
A large number of absences from work are caused by back problems.
NOT EXIST [ U ]

B2 the fact of not existing:

In the absence of any proof, it is impossible to accuse her.

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