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
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Recent Examples of trihalomethane from the Web
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The total trihalomethanes group includes four chemicals: chloroform, bromodichloromethane, dibromochloromethane and bromoform.
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The water also contains trihalomethanes at levels well below federal regulatory standards, but above a health guideline standard.
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And then there’s a group of four cancer-causing chemicals called trihalomethanes that form when organic matter in the water reacts with chemicals used to disinfect it.
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The chemicals are known as trihalomethanes, or TTHMs for short.
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The East Bay Municipal Utility District reported Tuesday that concentrations of trihalomethanes, a byproduct of chlorine disinfectant and organic matter in water, have risen sharply since 2015.
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Water-quality managers said the drought is at least partly to blame for the increase in contaminants called trihalomethanes or THMs, a byproduct of chlorine used to kill germs reacting with natural organic matter in water.
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Chlorine interacts with chemicals in the leachate and creates compounds including haloacetic acids (HAAs) and trihalomethanes (TTHM).
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Martin County was out of compliance in eight of the last 10 tests for haloacetic acid (HAA5) limits and 6 of the last 10 tests for total trihalomethanes (TTHM) limits.
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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
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