Definition of ethanediol in English:

ethanediol

noun

systematic chemical name for ethylene glycol
‘In 2005, about 8,600 tonnes of ethanediol were sold as antifreeze preparations to households.’
systematic chemical name for ethylene glycol
‘Traditionally, 1,2-ethanediol (ethylene glycol) is used in the cooling systems of cars to prevent them from freezing.’

Pronunciation

ethanediol

/ˈiːθeɪnˌdʌɪɒl/ /ˈɛθeɪnˌdʌɪɒl/