from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. Adding a chemical agent to a material, such as rocket propellant, to make it opaque.
- v. Adding an extraneous agent or vehicle which, advertently or as a side-effect, makes something opaque.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. make opaque
- v. become opaque
Sorry, no etymologies found.