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

(en noun)

A measured portion of medicine taken at any one time.

The quantity of an agent (not always active) substance or radiation administered at any one time.

*{{quote-magazine, date=2014-04-21, volume=411, issue=8884, magazine=(The Economist)

, title= Subtle effects , passage=Manganism has been known about since the 19th century, when miners exposed to ores containing manganese

A venereal infection.

* 1978 , (Lawrence Durrell), Livia'', Faber & Faber 1992 (''Avignon Quintet ), p. 382:

It would be very expensive to cure a dose here, as well as unbelievably painful.