From French enveloppe. The engineering sense is derived from flight envelope.
- (Received Pronunciation) IPA(key): /ˈɛn.və.ləʊp/, (chiefly senses 1 and 2) /ˈɒn.və.ləʊp/
- (General American) enPR: ĕn′vəlōp', än′vəlōp'; IPA(key): /ˈɛn.vəˌloʊp/, /ˈɑn.vəˌloʊp/
envelope (plural envelopes)
- A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
- 2013 June 14, Jonathan Freedland, “Obama's once hip brand is now tainted”, in The Guardian Weekly, volume 189, number 1, page 18:
- Now we are liberal with our innermost secrets, spraying them into the public ether with a generosity our forebears could not have imagined. Where we once sent love letters in a sealed envelope, or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet.
- 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.
- 1992, Lieutenant Colonel Donald E. Ryan, Jr, The airship's potential for intertheater and intratheater airlift, DIANE Publishing, page 46:
- They have no internal or external support structure, being simply a fabric bag (or envelope) filled with a lighter than air gas. Inside the envelope are one or more "ballonets", or smaller bags, which help maintain the envelope's shape.
- (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.
- 1816, James Stanier Clarke, The Life of James the Second King of England:
- make a blind all along the bottom of the ditch of the Envelope
- banker's envelope
- blind envelope
- brown envelope journalism
- brown envelope syndrome
- building envelope
- concave envelope
- convex envelope
- Dahlke envelope
- envelope detector
- envelope paradox
- envelope stuffer
- flight envelope
- kinematic envelope
- manila envelope
- nuclear envelope
- opening of an envelope
- padded envelope
- penalty envelope
- push the edge of the envelope, push the envelope
- red envelope
- return envelope
- stretch the envelope
- stripped-envelope supernova
- viral envelope
- window envelope
- work envelope
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. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
envelope (third-person singular simple present envelopes, present participle enveloping, simple past and past participle enveloped)
- Archaic form of envelop.
- 1877, James Booth, A Treatise on Some New Geometrical Methods, page 209:
- Again, if the plane of the impressed couple intersects the mean plane between N and C, it will envelope the cone whose focals are ON, ON′, and whose internal axis is therefore OA.
Borrowed from French enveloppe, from envelopper.
- Hyphenation: en‧ve‧lo‧pe
envelope m (plural envelopes)
- inflection of envelopar: