Definition of methanal in English:


Syllabification: meth·a·nal
Pronunciation: /ˈmeTHəˌnal


  • systematic chemical name for formaldehyde.
    More example sentences
    • It is manufactured by heating methanal with ammonium chloride.
    • As has already been stated oxidation yields the aldhyde methanal, but further oxidation of this will yield the carboxylic acid methanoic acid.
    • A particularly important reaction is with the aldehyde methanal.


late 19th century: blend of methane and aldehyde.

More definitions of methanal

Definition of methanal in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tortie
Pronunciation: ˈtôrtē
a tortoiseshell cat