From Longman Dictionary of Contemporary Englishelectroe‧lec‧tro /ɪˈlektrəʊ $ -troʊ/ noun [uncountable] a type of music that uses electronic soundselectro-electro- /ɪlektrəʊ, -trə $ -troʊ, -trə/ prefix technical 1 HPErelating to electricity or made to work by electricity electrocute (=to hurt or kill someone by electricity) an electromagnet2 HPEelectric and something else electro-chemical
Examples from the Corpus
electro-• to electrocute someone• electro-mechanical 