Envelope (disambiguation)
From Wikipedia, the free encyclopedia
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Look up envelope in Wiktionary, the free dictionary. |
An envelope is the paper container used to hold a letter being sent by post.
Envelope may also refer to:
In mathematics:
- Envelope (mathematics), a curve, surface, or higher dimensional object defined as being tangent to a given family of lines or curves (or surfaces, or higher dimensional objects, respectively)
In science:
- Viral envelope, the membranal covering surrounding the capsid of a virus
- Cell envelope of a bacterium, consisting of the cell membrane, cell wall and outer membrane
In applied science:
- Envelope (waves), a curve joining the peaks of an oscillating signal, in electronics the output of an envelope detector
- ADSR envelope, the variation of a sound over time, as is used in sound synthesis
- Envelope (mechanical engineering), a solid representing all positions that an object may occupy during its normal range of motion
- Envelope (aerospace), the limits within which an aircraft can operate
- Building envelope, the exterior layer of a building that protects it from the elements
In entertainment:
- Envelope (band), a Danish pop/rock band
- Envelopes (band), an indie/pop band from Sweden and France, based in the UK
[edit] See also
- Two envelope problem, a paradox
- The military terms Envelopment and envelop
[edit] References
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