树胶氨

林

[ noun ]
the aromatic gum of the ammoniac plant
<noun.substance>

Ammoniac \Am*mo"ni*ac\(or Gum ammoniac \Gum` am*mo"ni*ac\, n.
[L. Ammoniacum, Gr. ? a resinous gum, said to distill from a
tree near the temple of Jupiter Ammon; cf. F. ammoniac. See
{Ammonite}.] (Med.)
The concrete juice (gum resin) of an umbelliferous plant, the
{Dorema ammoniacum}. It is brought chiefly from Persia in the
form of yellowish tears, which occur singly, or are
aggregated into masses. It has a peculiar smell, and a
nauseous, sweet taste, followed by a bitter one. It is
inflammable, partially soluble in water and in spirit of
wine, and is used in medicine as an expectorant and
resolvent, and for the formation of certain plasters.