[ kuh n-tam-uh-nuh nt ]
/ kənˈtæm ə nənt /
something that contaminates.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for contaminant
If you have a—a contaminant on board your ship, sir, it didn't come from the Lancet.Contamination Crew|Alan Edward Nourse