Definition of ethyl in English:

ethyl

noun

Chemistry
  • [usually as modifier] Of or denoting the hydrocarbon radical —C2H5, derived from ethane and present in many organic compounds:

    ‘ethyl acetate’
    ‘an ethyl group’
    • ‘The free radical of the ethyl group is known to exist as an entity in its own right.’
    • ‘Industrially ethanol is now mostly frequently manufactured by the catalytic hydration of ethene or by the hydrolysis of ethyl sulfates.’
    • ‘The authors note, ‘Any of these ethyl esters might be used as an alternative to fossil fuels.’’
    • ‘For example, benzene and ethyl bromide can be use to make ethylbenzene.’
    • ‘However, its use is safer for both patient and physician than the original volatile vapor coolant, ethyl chloride.’

Origin

Mid 19th century: from German, from Äther ether + -yl.

Pronunciation:

ethyl

/ˈɛθʌɪl/