exposure -
n. (foll. by to)
1 the act or condition of exposing or being exposed (to air, cold, danger, etc.).
2 the condition of being exposed to the elements, esp. in severe conditions (died from
exposure).
3 the revelation of an identity or fact, esp.
when concealed or likely to find disapproval.
4 Photog. a the action of exposing a film etc. to the light. b the duration of this
action. c the
area of film etc. affected by it.
5 an aspect or outlook (has a fine southern
exposure).
exposure meter Photog. a device for measuring the strength of the light to determine the correct duration of exposure. [EXPOSE after enclosure etc.]