不ふ可か欠けつ脂し肪ぼう酸さんMeaningsNoun1. essential fatty acid; EFAKanji used不negative可can do欠lack of脂fat肪obese酸acidComposed of不ふ可か欠けつindispensable; essentialNa-adjective脂し肪ぼう酸さんfatty acidNoun