PICOVOLT Antonyms There are 2 antonyms of the word picovolt. (opposite meanings)Did you mean?Definition of PICOVOLTBest Opposite Words For PICOVOLTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb Expand?WordSave?Synonyms..UsageTypekilovoltnounnnoun • a unit of potential equal to a thousand voltsmegavoltnounnnoun • One million (106) volts, abbreviated as MV.