: a crystalline combustible heterocyclic trimer (CH2O)3 of formaldehyde with an odor resembling chloroform that is depolymerized into formaldehyde by traces of mineral acids

called also symmetrical trioxane

compare paraformaldehyde

Word History


International Scientific Vocabulary tri- + oxa- + cyclohexane

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Dictionary Entries Near trioxane

Cite this Entry

“Trioxane.” Dictionary, Merriam-Webster, Accessed 4 Jun. 2023.

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