必ひっ須す脂し肪ぼう酸さんMeaningsNoun1. essential fatty acidKanji used必certainly須necessary脂fat肪obese酸acidPitch accentひっすしぼうさんComposed of必ひっ須すindispensable; essential; requisite; required; compulsory; necessaryNo-adjective脂し肪ぼう酸さんfatty acidNoun