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PLUMBAGO
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any plumbaginaceous plant of the genus Plumbago
Classified under:
Hypernyms ("plumbago" is a kind of...):
herb; herbaceous plant (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)
Holonyms ("plumbago" is a member of...):
genus Plumbago (shrubs and herbs and woody vines of warm regions: leadwort)
Sense 2
Meaning:
Used as a lubricant and as a moderator in nuclear reactors
Synonyms:
black lead; graphite; plumbago
Classified under:
Hypernyms ("plumbago" is a kind of...):
atomic number 6; C; carbon (an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds)
Hyponyms (each of the following is a kind of "plumbago"):
lead; pencil lead (mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil)
pencil (graphite (or a similar substance) used in such a way as to be a medium of communication)
