fleeting exposure

Fleeting exposure to anything that influences methylation patterns during development can change the animal or person for a lifetime.

The tearing down of old buildings in Times Square has given some once-obscured old signs a fleeting exposure.

The amount of radiation in a fleeting exposure can be less than the amount of radiation in the environment.

One advantage of home video is that it allows a long, close look at a film that may have had only fleeting exposure in theaters or on television.

Most texts used to teach reading had been written by proponents of whole language methods, and there was only fleeting exposure to the kinds of scripted, phonics-based curriculums, like Open Court, that are increasingly being adopted in the nation's schools.