| 释义 |
medullin Chem.|mɪˈdʌlɪn|
[Used in German by John (1814); f. L. medulla: see medulla and -in.]
A form of lignin derived from the pith of certain plants, esp. the sunflower.
1817T. Thomson Chem. (ed. 5) IV. 182 Of Medullin. This is the name given by Dr. John to the pith of the sun⁓flower, &c. 1830Lindley Nat. Syst. Bot. 200. |