n. A variety of translucent quartz, or silica, of a rich grass-green or leek-green color, occurring in large pieces, associated with common chalcedony. Many fine engraved ornaments of this stone have been found among the ruins of Rome.n. The liquid part of unaltered blood, lymph, or milk, as distinguished from the corpuscles of the blood or lymph, or the oil-globules of the milk; also, the juice expressed from fresh muscle; the muscle-plasman. The primitive indifferent nitrogenized hydrocarbon which forms the basis of all tissues of plants and animals; the “physical basis of life,” in its simplest expression: now generally called protoplasm.n. In pharmacy, same as glycerite of starch.