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
The nebulous covering of the head or nucleus of a comet; a coma.
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.
Dictionary of English Synonymes
Words popularity by usage frequency
How to use envelope in a sentence?
It's the first of its kind – we're really pushing the envelope here, it's a collector's item. And if no one wants to buy it, I'll drink it myself.
We know that 80% of car accidents are due to human error. So we ask ourselves, what happens if human error was eliminated? If the technology meets its promise, my back-of-the-envelope math tells me that more than 25,000 lives would have been saved in 2015 alone.
This is about 1 % great idea and 99 % execution, history tells us that we like to push the envelope and will continue to do that and create very unique experiences.
There was one very discreet stretch of the protein on the envelope that is really different than the other flaviviruses, that is like a big red flag.
You will certainly see, absent congressional action, significant litigation as states try to push the envelope on this.
Translations for envelope
From our Multilingual Translation Dictionary
- غلاف, مغلف, ظرفArabic
- обвивка, пликBulgarian
- sobre de carta, sobreCatalan, Valencian
- kuvert, konvolutDanish
- Umschlag, Hülle, Briefumschlag, HüllkurveGerman
- περιβάλλουσα, περιχιτώνιο, κέλυφος, φάκελος, περίβλημαGreek
- ümbrik, mähisjoonEstonian
- پاکت, پاكت نامهPersian
- cèis-litreach, cèisScottish Gaelic
- लिफ़ाफ़ा, लिफाफाHindi
- 封筒, エンベロープJapanese
- 封套, 봉투Korean
- EnveloppeLuxembourgish, Letzeburgesch
- коверт, плик, обвивкаMacedonian
- sampul suratMalay
- envelop, briefomslag, omslagDutch
- sobrescrito, envelopePortuguese
- înveliș, învelitură, sac, pungă, înfășurătoare, anvelopă, plicRomanian
- оболо́чка, огибающая, обёртка, конвертRussian
- омотница, коверат, omòtāč, коверта, koverat, koverta, omotnicaSerbo-Croatian
- konvolut, kuvert, hölje, omslagSwedish
- لفافا, لفافےUrdu
- bao thư, phong bìVietnamese
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