Envelope (disambiguation)
From Wikipedia, the free encyclopedia
- 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)
- Envelope (category theory)
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
- Airship § Envelope, the fabric skin covering the airship
- Building envelope, the exterior layer of a building that protects it from the elements
- Envelope (motion), a solid representing all positions that an object may occupy during its normal range of motion
- Envelope (music), the variation of a sound over time, as is used in sound synthesis
- Envelope (radar), the volume of space where a radar system is required to reliably detect an object
- Envelope (waves), a curve outlining the peak values of an oscillating waveform or signal
- Envelope detector, an electronic circuit used to measure the envelope of a waveform
- Flight envelope, the limits within which an aircraft can operate
