"voltaic" in the noun sense
1. Gur, Voltaic
a group of Niger-Congo languages spoken primarily in southeastern Mali and northern Ghana
"voltaic" in the adjective sense
1. voltaic, galvanic
pertaining to or producing electric current by chemical action
"a galvanic cell"
"a voltaic (or galvanic) couple"
Source: WordNet® (An amazing lexical database of English)
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