electrotechnologyPronunciation: /ɪˌlɛktrəʊtɛkˈnɒlədʒi/Definition of electrotechnology noun [mass noun] the science of the application of electricity in technology. Derivatives electrotechnicPronunciation: /-ˈtɛknɪk/ adjective electrotechnicalPronunciation: /-ˈtɛknɪk(ə)l/ adjective electrotechnicsPronunciation: /-ˈtɛknɪks/ noun electrotechnology in other Oxford dictionaries Definition of electrotechnology in the US English dictionary