contaminant
Americannoun
Etymology
Origin of contaminant
1920–25; < Latin contāminant- (stem of contāmināns ), present participle of contāmināre. See contaminate, -ant
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He said the research shows “that contaminant levels on aircraft are generally low and that health and safety standards are met.”
From The Wall Street Journal • Sep. 14, 2025
In the meantime, the Los Angeles Regional Water Quality Control Board began collecting samples of ocean water to assess contaminant levels.
From Los Angeles Times • May 16, 2025
And many studies look at only one contaminant at a time, he said.
From Science Daily • Nov. 19, 2024
The bacteria Bacillus cereus was found to be the contaminant in the cause of all three deaths.
From BBC • Nov. 19, 2024
Avery fiddled with the experiment as only a microbiologist could, growing the bacteria in various cultures, adding beef-heart broth, removing contaminant sugars, and growing the colonies on plates.
From "The Gene" by Siddhartha Mukherjee
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.