trihalomethane

noun tri·halo·meth·ane \ (ˌ)trī-ˌha-lə-ˈme-ˌthān , British usually -ˈmē- \

Definition of trihalomethane

:any of various derivatives CHX3 of methane (such as chloroform) that have three halogen atoms per molecule and are formed especially during the chlorination of drinking water

Recent Examples of trihalomethane from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trihalomethane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of trihalomethane

1968


Medical Dictionary

trihalomethane

noun tri·halo·meth·ane \ (ˌ)trī-ˌhā-lə-ˈmeth-ˌān, British usually -ˈmē-ˌthān \

medical Definition of trihalomethane

:any of various derivatives CHX3 of methane (as chloroform) that have three halogen atoms per molecule and are formed especially during the chlorination of drinking water abbreviation THM

Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

cautious about doing something

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!