Envelope
Pronunciation
- RP IPA: /ˈɛn.və.ləʊp/, /ˈɒn.və.ləʊp/
- US enPR: än′vÉ™'lÅp; IPA: /ˈɛn.vəˌloÊŠp/, /ˈɑn.vəˌloÊŠp/
Origin 1
From the French enveloppe, from envelopper.
Full definition of envelope
Noun
envelope
(plural envelopes)- A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
- 2013-06-14, Jonathan Freedland, Obama's once hip brand is now tainted, 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, 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 an email that is transmitted with the email but not part of its contents.
- (biology) An enclosing structure or cover, such as a membrane.
- (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.
Derived terms
Pronunciation
- enPR: ĕn-vĕl'əp, IPA: /ɛnˈvɛləp/
- for audio, see envelop
Origin 2
See envelop.
Verb
- (nonstandard) Alternative spelling of envelop----