envelope

Meaning

Noun

1. A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
2. Something that envelops; a wrapping.
3. A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
4. A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
5. A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
6. The shape of a sound, which may be controlled by a synthesizer or sampler.
7. The information used for routing a message that is transmitted with the message but not part of its contents.
8. An enclosing structure or cover, such as a membrane; a space between two membranes
9. The set of limitations within which a technological system can perform safely and effectively.
10. The nebulous covering of the head or nucleus of a comet; a coma.
11. An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.

Verb

To put (something) in an envelope.

Verb

Archaic form of envelop.

Synonyms

cover

wrapper

casing

shell

🐚

wrapping

skin

surround

case

bag

sheath

envelope line

investment

mantle

covering

gasbag

jacket

coating

encompass

encrustation

engulf

envelop

envelopment

folder

gas holder

hide

hull

husk

incrustation

integument

involucre

letter

mailer

mantling

napkin

nappy

overlay

package

📦

packing

paring

peel

put inside

quiver

receptacle

rind

skim

socket

spathe

swallow

swathing

tegument

Translations

enveloppe

✉️

sobre

busta

✉️

Briefumschlag

✉️

Umschlag

✉️

envelope

✉️

φάκελος

zarf

✉️

enveloppe

envelop

Kuvert

✉️

briefomslag

couvert

sobre

🔛

Pronounced as (IPA)

/ˈɛnvələʊp/

Etymology

PIE word
*h₁én
From French enveloppe. The engineering sense is derived from flight envelope. The verb is from the noun.

Sentences

The letter excitedly pulled from that official envelope held the news she desired for so many years .