milliwatt From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounOne thousandth ( 10-3 ) of a watt, abbreviated as mW. Related wordsSynonymsmilli-wattmicrowattmicro-wattcentiwattpicowattmega-wattnano-wattmilliampmilliamperemillimicroamperemilli-ampmicrovoltmilli-voltmillimicrosecondmillisiemensmicro-volt References Wiktionary — milliwatt Wikipedia — milliwatt