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trihalomethane

British  
/ traɪˌheɪləʊˈmiːθeɪn /

noun

  1. a type of chemical compound in which three of the hydrogen atoms in a methane molecule have been replaced by halogen atoms, esp by chlorine in drinking water.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-mĕthān′ /
  1. 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

That did not trigger a violation of federal clean water rules because the town’s annual average of 54 parts per billion that year was below the maximum trihalomethane contaminant level of 80 parts per billion.

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