To "emit" means to:

The term "emit" means to send forth, which is the correct interpretation in this context. In various scenarios, "emit" can refer to the release of substances, such as gas or light, from a source. For instance, a light bulb emits light when it is turned on, or a factory might emit smoke into the atmosphere.

This definition aligns with the action of producing and sending out something. Understanding this term is crucial, particularly in fields such as science and environmental studies, where the emission of substances can have significant implications. Recognizing the meaning of "emit" enhances one's comprehension of discussions relating to air quality, energy production, and similar topics, where the act of sending forth can play a pivotal role.