envelope
- Noun. A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
- Noun. Something that envelops; a wrapping.
- Noun. A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
- Noun. (geometry) A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
- Noun. (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
- Noun. (music) The shape of a sound, which may be controlled by a synthesizer or sampler.
- Noun. (computing) The information used for routing an email that is transmitted with the email but not part of its contents.
- Noun. (biology) An enclosing structure or cover, such as a membrane.
- Noun. (engineering) The set of limitations within which a technological system can perform safely and effectively.
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This entry was last updated on RefTopia from its source on 3/20/2012.