释义 |
WordReference Random House Unabridged Dictionary of American English © 2024cit•rul•line (si′trə lēn′),USA pronunciation n. [Biochem.]- Chemistry, Biochemistryan amino acid, NH2CONH(CH2)3CHNH2COOH, abundant in watermelons and an intermediate compound in the urea cycle.
- Latin -eolus) + -ine2
- Late Latin citrium watermelon (derivative of Latincitrus (see citrus); apparently in reference to the citroncolored fruit of some types of watermelon), with -uolo
- Neo-Latin citrull(us) the watermelon genus (Medieval Latin citrul(l)us, citrolus, Latinization of South Italian citrulo, Tuscan citri(u)olo
- 1930
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