Noun

(senseid)(uncountable) The condition of being exposed, uncovered, or unprotected.

* {{quote-magazine, date=2013-06-08, volume=407, issue=8839, page=55, magazine=(The Economist)

, title= Obama goes troll-hunting , passage=The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.}}

(countable, uncountable) That part which is facing or exposed to something, e.g. the sun, weather, sky, or a view.

(uncountable) Lack of protection from weather or the elements.

* 1993 , (Paul Chadwick), The Ugly Boy , Dark Horse Books

As all of you know, a great tragedy occurred yesterday. Arthur Harcourt died of exposure sometimes in the morning in the woods off Mount Tom Road.

(senseid)(photography) An instance of taking a photograph.

(photography) The piece of film exposed to light.

(photography) Details of the time and f-number used.

(gardening) The amount of sun, wind etc. experienced by a particular site.

Noun

The act of interfering with something, or something that interferes.

(sports) The illegal obstruction of an opponent in some ball games.

They were glued to the TV, as the referee called out a fifteen yard penalty for interference .

(physics) An effect caused by the superposition of two systems of waves, such as a distortion on a broadcast signal due to atmospheric or other effects.

They wanted to watch the game on TV, but there was too much interference to even make out the score on the tiny screen.

(US, legal) In United States patent law, an inter partes proceeding to determine the priority issues of multiple patent applications; a priority contest.

(chess) The interruption of the line between an attacked piece and its defender by sacrificially interposing a piece.