Envelope Meaning and Definition

Meaning of envelope: Delve into the meaning and definition of envelope on our page. Explore what envelope truly means and discover its profound significance in the human experience. What does envelope mean to you?

"Envelope" has multiple meanings in English. One of the most common meanings is a flat, usually rectangular paper container used for sending letters or documents through the mail. Envelopes typically have a flap that can be sealed to protect the contents inside. In a different context, "envelope" can refer to the outer covering or boundary of something. For example, in music, an envelope describes the shape of a sound wave, including its attack, sustain, decay, and release. In physics, an envelope can refer to the boundary of a wave or signal. Additionally, in engineering and construction, an envelope can refer to the outer layer of a building or structure that encloses the interior space. Overall, "envelope" can refer to a container for mail, the boundary or outline of something, or the outer covering of a structure or signal.