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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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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.
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
play
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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