An Exposure

1. (uncountable) The condition of being exposed, uncovered, or unprotected.
2. (uncountable) Lack of protection from weather or the elements.
3. The act of exposing something, such as a scandal.
4. (countable, uncountable) That part which is facing or exposed to something, e.g. the sun, weather, sky, or a view.
5. (photography) An instance of taking a photograph.
6. (photography) The piece of film exposed to light.
7. (photography) Details of the time and f-number used.
8. (horticulture) The amount of sun, wind etc. experienced by a particular site.