time exposure vs exposure

time exposure and exposure both are nouns.

Word	Noun	Adjective	Verb	Adverb
time exposure	Yes	No	No	No
exposure	Yes	No	No	No

As nouns, exposure is a hypernym of time exposure; that is, exposure is a word with a broader meaning than time exposure:

time exposure: exposure of a film for a relatively long time (more than half a second)
exposure: the act of exposing film to light

As nouns, exposure is a hypernym of time exposure; that is, exposure is a word with a broader meaning than time exposure:

time exposure: a photograph produced with a relatively long exposure time
exposure: a representation of a person or scene in the form of a print or transparent slide or in digital format

Other hypernyms of time exposure include photo, photograph, pic, picture.

time exposure (noun)	exposure (noun)
exposure of a film for a relatively long time (more than half a second)	abandoning without shelter or protection (as by leaving an infant out in the open)
a photograph produced with a relatively long exposure time	the act of exposing film to light
	presentation to view in an open or public manner
	the act of subjecting someone to an influencing experience
	a representation of a person or scene in the form of a print or transparent slide or in digital format
	vulnerability to the elements; to the action of heat or cold or wind or rain
	aspect resulting from the direction a building or window faces
	the disclosure of something secret
	the intensity of light falling on a photographic film or plate
	the state of being vulnerable or exposed