noun
eicosapentaenoic acid; EPA
Technical term in chemistry and nutrition; an omega-3 fatty acid.
エイコサペンタエン酸は魚油に多く含まれている。
Eicosapentaenoic acid is abundant in fish oil.
From English 'eicosapentaenoic acid', itself from Greek 'eicosa' (twenty) + 'penta' (five) + 'ene' (double bond) + 'oic acid', referring to its 20-carbon chain with five double bonds.