as in contamination
something that is or that makes impure
a filter to remove contaminants from the drinking water
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Recent Examples of contaminant
Excess contaminants can contribute to cloudy water and irritation of the eyes and skin.
—
Jessica Safavimehr,
Southern Living,
26 June 2026
This includes screening for heavy metals such as lead, cadmium, arsenic and mercury, along with other potential contaminants.
—
Jess Cording,
Forbes.com,
25 June 2026
Locals often build up some tolerance to these water contaminants, but visitors haven’t, so a glass a resident drinks safely can leave a traveler sick for days.
—
Ryan Brennan,
Miami Herald,
24 June 2026
However, use caution with glossy and highly-colored cardboard, which may contain contaminants that aren’t safe for food gardens.
—
Lauren Landers,
Better Homes & Gardens,
18 June 2026
See All Example Sentences for contaminant
Jessica Safavimehr,
Southern Living,
26 June 2026
This includes screening for heavy metals such as lead, cadmium, arsenic and mercury, along with other potential contaminants.
—
Jess Cording,
Forbes.com,
25 June 2026
Locals often build up some tolerance to these water contaminants, but visitors haven’t, so a glass a resident drinks safely can leave a traveler sick for days.
—
Ryan Brennan,
Miami Herald,
24 June 2026
However, use caution with glossy and highly-colored cardboard, which may contain contaminants that aren’t safe for food gardens.
—
Lauren Landers,
Better Homes & Gardens,
18 June 2026
See All Example Sentences for contaminant
Recent Examples of Synonyms for contaminant
Noun
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Without effective cleaning and sanitizing, these contaminants can be difficult to remove and may increase the risk of cross-contamination.
-
As mentioned, the four-color Benchy demonstrated accurate color registration with minimal visible contamination between color transitions.
Noun
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As whole house fans and swamp coolers can suck additional pollutants inside, the department recommends using air purifiers or air conditioners as alternatives when possible.
-
The material can power reactions such as oxidizing organic molecules, potentially degrading pollutants, sterilizing surfaces, or enabling photocatalytic chemistry to continue later in the dark.
Cite this Entry
“Contaminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contaminant. Accessed 7 Jul. 2026.
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