ex·po·sure 
(ĭk-spōzhər)
(ĭk-spōzhər)n.
1. The act or an instance of exposing, as:
a. An act of subjecting or an instance of being subjected to an action or an influence: their first exposure to big city life.
b. Appearance in public or in the mass media: an actor with much recent exposure in television.
c. Revelation, especially of crime or guilt: exposure of graft in county government.
d. The act of making visible a body part, especially the genitals or breasts, in public or in a manner that is illegal or inappropriate.
2. The condition of being exposed, especially to severe weather or other forces of nature: was hospitalized for the effects of exposure.
3. A position in relation to climatic or weather conditions or points of the compass: Our house has a southern exposure.
4.
a. The act of exposing sensitized photographic film or plate.
b. A photographic plate or a piece of film so exposed.
c. The amount of radiant energy needed to expose a photographic film.