LEAVEN n.
Any substance that produces, or is designed to produce, fermentation, as in dough or liquids; esp., a portion of fermenting dough, which, mixed with a larger quantity of dough, produces a general change in the mass, and renders it light; yeast; barm.
LINOTYPE n. 2 definitions
A kind of typesetting machine which produces castings, each of which corresponds to a line of separate types. By pressing upon keys like those of a typewriter the matrices for one line are properly arranged; the stereotype, or slug, is then cast and planed, and the matrices are returned to their proper places, the whol…