词族 · plumbago
词形变化
中文词源
plumbago 石墨
来自拉丁语plumbago,黑铅，一种铅矿，来自plumbum,铅，铅球，词源同plumb.
英语词源
- plumbago (n.)
- "graphite," 1784, from Latin plumbago "a type of lead ore, black lead," from plumbum "lead" (see plumb (n.)); it renders Greek molybdaina, which was used of yellow lead oxide and also of a type of plant (leadwort). Attested in English in the yellow oxide sense from 1610s; as a type of plant from 1747. Related: Plumbaginous.
权威例句
- 1. Any of various plants of the genus Plumbago; leadwort .
- 任何石墨属 白花 丹科的植物.