trioxane
noun
tri·ox·ane
-ˌsān
: 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
Etymology
International Scientific Vocabulary tri- + oxa- + cyclohexane