Synonyms: plumbago
Definition: any plumbaginaceous plant of the genus Plumbago
Similar words: herb, herbaceous plant
Definition: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
Synonyms: black lead, graphite, plumbago
Definition: used as a lubricant and as a moderator in nuclear reactors
Similar words: C, carbon, atomic number 6
Definition: an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds