photographic fixing
photographic fixing
[¦fōd·ə¦graf·ik ′fiks·iŋ] (graphic arts)
The process by which the unexposed and unreduced silver halide in a negative is removed in an exposed film; sodium thiosulfate (hypo) is the chemical usually used.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.