emit
v.to send out something like light, heat, sound, or a gas into the air.
v.to produce and discharge something, especially gas, radiation, or signals, from a source. In technical contexts, it refers to the release of energy or information into the surrounding environment.
“The old factory continues to emit thick black smoke.”
“The device is designed to emit a high-frequency signal that only certain sensors can detect.”
“While the sun emits a broad spectrum of radiation, the Earth's atmosphere filters out the most harmful ultraviolet rays before they reach the surface.”
The verb is transitive and requires a direct object representing the substance or energy being released.
From Latin ēmittō.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.