| Emission 1. (n.) The act of sending or throwing out; the act of sending forth or putting into circulation; issue; as, the emission of light from the sun; the emission of heat from a fire; the emission of bank notes. 2. (n.) That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly blood. Thesaurus Entries blowout, discharge, disgorgement, effusion, egestion, ejaculation, ejection, elimination, emanation, emergence, emersion, eructation, eruption, excretion, expulsion, extravasation, extrusion, exudation, flow, flux, issuance, issue, jet, outburst, outpour, secretion, spout, spurt, squirt, surfacing, transudation, vent | ![]() |