電でん源げん投とう入にゅうMeaningsNoun1. power-upKanji used電electric源source投throw入enterComposed of電でん源げんsource of electricity; electrical power; power (button on TV, etc.)Noun投とう入にゅうthrowing in; inserting; depositing (e.g. a ballot); investment; commitment (of funds, personnel, etc.); injection; infusion; launching (a product into the market); introduction; submitting (a job to a computer); …Noun