PRINCIPLE n.
tial properties, and which can usually be separated by analysis; -- applied especially to drugs, plant extracts, etc. Cathartine is the bitter, purgative principle of senna. Gregory. Bitter principle, Principle of contradiction, etc. See under Bitter, Contradiction, etc.
SEMEN n.
owes its generative power. Semen contra, or Semen cinæ or cynæ, a strong aromatic, bitter drug, imported from Aleppo and Barbary, said to consist of the leaves, peduncles, and unexpanded flowers of various species of Artemisia; wormseed.
SPATULA n.
ike a knife, flat, thin, and somewhat flexible, used for spreading paints, fine plasters, drugs in compounding prescriptions, etc. Cf. Palette knife, under Palette.