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trihalomethane

British

/ traɪˌheɪləʊˈmiːθeɪn /

noun

a type of chemical compound in which three of the hydrogen atoms in a methane molecule have been replaced by halogen atoms, esp by chlorine in drinking water. Trihalomethanes are thought to be carcinogenic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

trihalomethane Scientific

/ trī′hăl-ə-mĕth′ān′ /

Any of various organic compounds containing three halogen atoms substituted for three of the hydrogen atoms in a methane molecule. It can occur in chlorinated water as a result of reaction between organic materials in the water and chlorine added as a disinfectant. Chloroform is a trihalomethane.

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.

Flint's water also contained trihalomethane, a carcinogen, as well as dangerous E. coli and legionella bacteria.

From Salon • Nov. 26, 2021

Duke officials concede that bromide applications contributed to the elevated trihalomethane levels.

From Reuters • Dec. 3, 2018

Immediately after switching to the Flint River, Flint’s drinking water spiked in bacteria and trihalomethane readings.

From The Verge • Feb. 26, 2016

She alluded to problems with a carcinogenic disinfectant byproduct, known as trihalomethane - 2½ months before the public was notified.

From Washington Times • Feb. 26, 2016

She alluded to problems with a carcinogenic disinfectant byproduct, known as trihalomethane — 2½ months before the public was notified.

From US News • Feb. 26, 2016

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023