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envelope

noun

en·​ve·​lope ˈen-və-ˌlōp How to pronounce envelope (audio) ˈän- How to pronounce envelope (audio)
1
: a flat usually paper container (as for a letter)
2
: something that envelops : wrapper
the envelope of air around the earth
3
a
: the outer covering of an aerostat
b
: the bag containing the gas in a balloon or airship
4
a
: a natural enclosing covering (such as a membrane, shell, or integument)
b
: a lipoprotein unit membrane that forms the outer layer of some virions
5
a
: a curve tangent to each of a family of curves
b
: a surface tangent to each of a family of surfaces
6
: a set of performance limits (as of an aircraft) that may not be safely exceeded
also : the set of operating parameters that exists within these limits
7
: a conventionally accepted limit
new computers that push the envelope
How do you pronounce envelope?: Usage Guide

The \ˈen-\ and \ˈän-\ pronunciations are used with about equal frequency, and both are fully acceptable, though the \ˈän-\ version is sometimes decried as "pseudo-French." Actually \ˈän-\ is exactly what one would expect to hear when a French word like entrepreneur is becoming anglicized. Envelope, however, has been in English for nearly 300 years, plenty of time for it to become completely anglicized and for both of its pronunciations to win respectability.

Example Sentences

Recent Examples on the Web Instead of pushing the envelope, de Clermont-Tonnerre wisely opts for subtlety. Peter Debruge, Variety, 2 Sep. 2022 Now, brands and retailers may not need to solely rely on digital communication, but what’s next for those who want to continue pushing the envelope? Outside Online, 25 Aug. 2022 Bcomp is an exciting company quietly pushing the envelope on the materials front. Nargess Banks, Forbes, 9 Aug. 2022 In that case, Beijing will respond by pushing the envelope on the Taiwan issue too. Christian Shepherd, Washington Post, 28 July 2022 But by agreeing to sponsor men’s beach volleyball, the university is pushing the envelope. Edward Lee, Baltimore Sun, 18 July 2022 So why not keep pushing the envelope as the norms of college sports continue to erode? Nathan Baird, cleveland, 1 July 2022 Trump's campaign transgressions are in keeping with Trump's own decades' long track record of pushing the envelope on financial matters, no matter the consequences for others. Frida Ghitis, CNN, 15 June 2022 The initiative aims to celebrate women pushing the envelope and inspiring the next generation of artists, producers, and executives. Quincy Green, Billboard, 7 June 2022 See More

Word History

First Known Use

circa 1714, in the meaning defined at sense 1

Time Traveler
The first known use of envelope was circa 1714

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