| essential amino acid | (n) an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet |
| 必須アミノ酸 | [ひっすアミノさん, hissu amino san] (n) essential amino acid [Add to Longdo] |
| 不可欠アミノ酸 | [ふかけつアミノさん, fukaketsu amino san] (n) (See 必須アミノ酸) essential amino acid [Add to Longdo] |