envelope

Definition from Wiktionary, a free dictionary

Jump to: navigation, search

Contents

[edit] English

[edit] Pronunciation

[edit] Noun

envelope (plural envelopes)

  1. A paper or cardboard wrapper used to enclose and small, flat items, especially letters, for mailing.
  2. Something that envelops; a wrapping
  3. A bag containing the lifting gas of a balloon or airship;[1] fabric that encloses the gas-bags of an airship[2]
  4. (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.
  5. (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
  6. (music) The shape of a sound, which may be controlled by a synthesizer or sampler.
  7. (computing) The information used for routing an email that is transmitted with the email but not part of its contents.
  8. (biology) An enclosing structure or cover, such as a membrane.
  9. (engineering) The set of limitations within which a technological system can perform safely and effectively.
  • Notes:
  1. ^ [1998] (2000) The Chambers Dictionary. Edinburgh: Chambers Harrap Publishers Ltd. “the gas-bag of a balloon or airship”
  2. ^ [1975] (1976) The Oxford Illustrated Dictionary. Great Britain: Oxford University Press.

[edit] Derived terms

[edit] Synonyms

  • (something that envelops): wrapper
  • (bag containing the lifting gas): gasbag

[edit] Translations

wrapper for mailing
something that envelops
bag containing the lifting gas
geometry: object that is the tangent to a family of objects
electronics: curve that bounds a set of curves
music: shape of a sound
computing: routing information of an email
biology: enclosing structure or cover
engineering: limits within which a technological system can perform safely and effectively
The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.


[edit] See also

Retrieved from "http://en.wiktionary.org/wiki/envelope"