time exposure

American  

noun

Photography.

1. a long exposure in which the shutter is opened and closed by hand or by a mechanism other than the automatic mechanism of the shutter.

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time exposure British  

noun

1. an exposure of a photographic film for a relatively long period, usually a few seconds

2. a photograph produced by such an exposure

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Other Word Forms

• time-exposure
  adjective

Etymology

Origin of time exposure

First recorded in 1890–95

Example Sentences

Over time, exposure to radon can cause cancer.

From Seattle Times • Jun. 22, 2023

Picture is taken with long time exposure and zoom burst.

From Reuters • Aug. 27, 2021

A four-winged robot in flight, its path traced with a time exposure.

From Science Magazine • Dec. 11, 2018

June 20, 2013: The Golden Gate Bridge in San Francisco glows after sunset thanks to a steady stream of commuters heading north during this time exposure.

From Los Angeles Times • May 26, 2017

Moist—Spores: The thermal death-point in the case of spores is that time exposure to a fixed temperature of 100° C. necessary to effect the death of all the spores present in a suspension.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)