from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white, translucent crystalline compound, Na2S2O3·5H2O, used as a photographic fixing agent and as a bleach. Also called hypo1, hyposulfite, sodium hyposulfite.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a compound used as a fixing agent in photographic developing
Sorry, no etymologies found.