- Any crude mixture of mineral or organic matters in the state
of a thin paste. - A thick residuum obtained from certain substances after the
fluid parts are expressed from them; the grounds which remain after
treating a substance with any menstruum, as water or alcohol. - A salve or confection of thick consistency. - The molten matter within the earth, the source of the
material of lava flows, dikes of eruptive rocks, etc. - The glassy base of an eruptive rock. - The amorphous or homogenous matrix or ground mass, as
distinguished from well-defined crystals; as, the magma of porphyry.
Definition
[ n.]