from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To make impure or unclean by contact or mixture.
- transitive v. To expose to or permeate with radioactivity.
- n. One that contaminates; a contaminant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To introduce impurities or foreign matter; to soil or defile.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To soil, stain, or corrupt by contact; to tarnish; to sully; to taint; to pollute; to defile.
- adj. Contaminated; defiled; polluted; tainted.
from The Century Dictionary and Cyclopedia
- To render impure by mixture or contact; defile; pollute; sully; tarnish; taint; corrupt: usually in a figurative sense.
- Synonyms To infect, poison, corrupt. See taint.
- Contaminated; polluted; defiled; tainted; corrupt.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. make impure
- v. make radioactive by adding radioactive material
Middle English contaminaten, from Latin contāmināre, contāmināt-.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin contaminare ("to tough together, blend, mingle, corrupt, defile"), from contamen ("contact, defilement, contagion"), related to tangere. (Wiktionary)