Meaning of “exposure” - Learner’s Dictionary

exposure

noun uk us /ɪkˈspəʊʒər/
EXPERIENCING [ U ]

a situation in which someone experiences something or is affected by it because they are in a particular situation or place:

There is a risk of exposure to radiation.
Many young children now have exposure to computers in the home.
MAKING PUBLIC [ C, U ]

a situation in which something bad that you have done is made public:

She was threatened with exposure by a journalist.
MEDICAL [ U ]

a serious medical condition that is caused by being outside in very cold weather:

He died of exposure while trying to climb Mount Everest.
PHOTOGRAPH [ C ]

a single photograph on a piece of film:

This film has 24 exposures.

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