活かっ性せいTop 4000MeaningsNoun1. activityPrenominal2. activeKanji used活activity性nature (of a person)Pitch accentかっせいUsed in vocabulary活かっ性せい化かstimulation (e.g. of an economy); revitalization (e.g. of a town); rejuvenation; invigoration; activationNoun不ふ活かっ性せいinert; noble; neutral; inactiveNo-adjective活かっ性せい汚お泥でいactivated sludgeNoun活かっ性せい剤ざいactivatorNoun不ふ活かっ性せい化かinactivationNoun界かい面めん活かっ性せい剤ざいsurfactantNoun界かい面めん活かっ性せいsurface activeNoun生せい理り活かっ性せい物ぶっ質しつbiologically active substanceNoun活かっ性せい酸さん素そreactive oxygen (i.e. free radicals, which can be destructive at high concentrations)Noun活かっ性せい文ぶん書しょ型がたactive document typeNoun活かっ性せい連れん結けつ型がたactive link typeNoun不ふ活かっ性せい機き能のう文も字じinert function characterNoun