Plumbago
/pləmˈbeɪɡoʊ/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A plant of the genus Plumbago; leadwort. countable, uncountable
- 2 any plumbaginaceous plant of the genus Plumbago wordnet
- 3 Graphite. countable, historical, uncountable
- 4 used as a lubricant and as a moderator in nuclear reactors wordnet
Etymology
Borrowed from Latin plumbāgō (“type of lead ore”), from plumbum (“lead”).