Definition of methanal in English:

methanal

noun

  • systematic chemical name for formaldehyde
    • ‘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.’
    • ‘For example, menthanol boils at 150.8°F and methanal boils at - 5.8°F.’
    • ‘It is manufactured by heating methanal with ammonium chloride.’
    • ‘Synthesis gas is used to manufacture methanal (formaldehyde, CH 2 = O), and also methanol.’

Origin

Late 19th century: blend of methane and aldehyde.

Pronunciation:

methanal

/ˈmɛθənal/