Plum*ba"gin (plm*b"jn), n. [L. plumbago leadwort, fr. plumbum lead; cf.
F. plombagin.] (Chem.) A crystalline substance said to be found in the
root of a certain plant of the Leadwort (Plumbago) family.
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Plum`ba*gin"e*ous (plm`b*jn"*s), a. (Bot.) Pertaining to natural order
(PlumbagineÊ) of gamopetalous herbs, of which Plumbago is the type. The
order includes also the marsh rosemary, the thrift, and a few other
genera.
Plum*bag"i*nous (?), a. Resembling plumbago; consisting of, or
containing, plumbago; as, a plumbaginous slate.
Plum*ba"go, n. [L., from plumbum lead.] 1. (Min.) Same as Graphite.
2. (Bot.) A genus of herbaceous plants with pretty salver-shaped
corollas, usually blue or violet; leadwort.
{ Plum"be*an (?), Plum"be*ous (?), } a. [L. plumbeus, from plumbum the
metal lead.] 1. Consisting of, or resembling, lead. J. Ellis.