Definition of "time exposure" []

• A photographic exposure made by leaving the shutter open a relatively long time, generally a second or more. (noun)
• An image so made. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I set my camera on the rim of a large horse-trough, and took this time exposure to eliminate the heavy street traffic."