envelope
IPA: ˈɛnvʌɫoʊp
noun
- A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
- Something that envelops; a wrapping.
- A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
- (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.
- (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
- (music) The shape of a sound, which may be controlled by a synthesizer or sampler.
- (computing) The information used for routing a message that is transmitted with the message but not part of its contents.
- (biology) An enclosing structure or cover, such as a membrane; a space between two membranes
- (engineering) The set of limitations within which a technological system can perform safely and effectively.
- (astronomy) The nebulous covering of the head or nucleus of a comet; a coma.
- An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.
verb
- (transitive, rare) To put (something) in an envelope.
- Archaic form of envelop. [(transitive) To surround or enclose.]
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Examples of "envelope" in Sentences
- She enclosed the envelope.
- The blankets enveloped them.
- The envelope trembled in his hand.
- The unopened envelope is then given to the host.
- An envelope encloses the dynodes and the cathode.
- This forces the sealing tip to the top of the envelope.
- A first screen envelopes the insulation of the conductor.
- The reeds are hermetically sealed in opposite ends of a tubular glass envelope.
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