ORANGE n.
lant (Hypericum Sarothra), having minute, deep yellow flowers. -- Orange oil (Chem.), an oily, terpenelike substance obtained from orange rind, and distinct from neroli oil, which is obtained from the flowers. -- Orange pekoe, a kind of black tea. -- Orange pippin, an orange-colored apple with acid flavor. -- Quito…
PYROSULPHURIC a.
o disulphuric acid) obtained by distillation of certain sulphates, as a colorless, thick, oily liquid, H2S2O7 resembling sulphuric acid. It is used in the solution of indigo, in the manufacture of alizarin, and in dehydration.