Plumbago - Definition
plumbago
n 1: used as a lubricant and as a moderator in nuclear reactors
[syn: graphite, black lead, plumbago]
2: any plumbaginaceous plant of the genus Plumbago
n 1: used as a lubricant and as a moderator in nuclear reactors
[syn: graphite, black lead, plumbago]
2: any plumbaginaceous plant of the genus Plumbago