Emily Dickinson Lexicon

E-MIS'SION, n. [L. emissio, from emitto, to send out.]

1. The act of sending or throwing out; as, the emission of light from the sun or other luminous body; the emission of odors, from plants; the emission of heat from a fire.
2. The act of sending abroad or into circulation, notes of a state or of a private corporation; as, the emission of state notes or bills of credit, or treasury notes.
3. That which is sent out or issued at one time; an impression or a number of notes issued by one act of government. We say, notes or bills of various emissions were in circulation.