Definition of methanal in English:


Line breaks: metha|nal
Pronunciation: /ˈmɛθənal


  • 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.

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