plumbago
1.
(
noun
) any plumbaginaceous plant of the genus Plumbago
Related Words:
herb
,
herbaceous plant
2.
(
noun
) used as a lubricant and as a moderator in nuclear reactors
Synonyms:
black lead
,
graphite
Related Words:
C
,
atomic number 6
,
carbon
,
lead
,
pencil lead
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