Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

contaminant

play
noun con·tam·i·nant \kən-ˈta-mə-nənt\

Simple Definition of contaminant

  • : something that makes a place or a substance (such as water, air, or food) no longer suitable for use : something that contaminates a place or substance

Source: Merriam-Webster's Learner's Dictionary

Full Definition of contaminant

  1. :  something that contaminates

Examples of contaminant in a sentence

  1. <a filter to remove contaminants from the drinking water>



1922

First Known Use of contaminant

1922

Rhymes with contaminant


Medical Dictionary

contaminant

play
noun con·tam·i·nant \kən-ˈtam-ə-nənt\

Medical Definition of contaminant

  1. :  something that contaminates





Seen and Heard

What made you want to look up contaminant? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to dishevel or rumple

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

soothe reduce perplex disapprove
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ