Definitions for Envelopeˈɛn vəˌloʊp, ˈɑn-
Random House Webster's College Dictionary
en•ve•lopeˈɛn vəˌloʊp, ˈɑn-(n.)
a flat paper container, as for a letter or thin package, usu. having a gummed flap or other means of closure.
something that envelops; a wrapper or surrounding cover.
a surrounding or enclosing part, as an integument or an outer membrane.
Geom. a curve or surface tangent to each member of a set of curves or surfaces.
the fabric structure enclosing the gasbag of an aerostat.
the gasbag itself.
the airtight glass or metal housing of a vacuum tube.
the technical limits within which an aircraft or electronic system may be safely operated.
Idioms for envelope:
push the envelope,to stretch established limits, as in technological advance or social innovation.
Origin of envelope:
1700–10; < F enveloppe, der. of envelopper to envelop
a flat (usually rectangular) container for a letter, thin package, etc.
any wrapper or covering
a curve that is tangent to each of a family of curves
a natural covering (as by a fluid)
"the spacecraft detected an envelope of gas around the comet"
the maximum operating capability of a system (especially an aircraft)
"test pilots try to push the envelope"
the bag containing the gas in a balloon
Kernerman English Learner's Dictionary
envelope(noun)ˈɛn vəˌloʊp, ˈɑn-
a paper container for sending a letter, document, etc.
Put it in the envelope and seal it.
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.
A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
The shape of a sound, which may be controlled by a synthesizer or sampler.
The information used for routing an email that is transmitted with the email but not part of its contents.
An enclosing structure or cover, such as a membrane.
The set of limitations within which a technological system can perform safely and effectively.
The nebulous covering of the head or nucleus of a comet; a coma.
Origin: From the enveloppe, from envelopper.
alt. of Envelop
Translations for Envelope
Kernerman English Multilingual Dictionary
a thin, flat wrapper or cover, especially for a letter
The letter arrived in a long envelope.
- envelopePortuguese (BR)
- der UmschlagGerman
- konvolut; kuvertDanish
- پاکت نامهFarsi
- omotnica, omotCroatian
- aploksne; apvalksLatvian
- sampul suratMalay
- پاکت نامهPersian
- كڅوړه، پاكټ، جيبPashto
- 信封Chinese (Trad.)
- конверт; обгорткаUkrainian
- phong bìVietnamese
- 信封Chinese (Simp.)
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