octode

== English == === Etymology === From octo- +‎ -ode. === Pronunciation === (Received Pronunciation) IPA(key): /ˈɒk.təʊd/ (General American) IPA(key): /ˈɑkˌtoʊd/ Rhymes: -ɒktəʊd === Noun === octode (plural octodes) (dated, electronics) A thermionic valve that has eight electrodes or similar elements