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envelope

envelope

11 3.4
A layer that surrounds something, like the air around a planet
  • noun
  • /ˈɛnvəˌloʊp/
translation icon : envoltura
  • Immediately after the nova explosion, an envelope of gas ejected from the white dwarf surrounded the two stars.
  • outer envelope
  • an envelope of gas
  • gaseous envelope

So it's essentially it forms the caps, sorry, the envelope of the protein of the viral particle.

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Examples

  • Because tanning and thickening provide increased protection, the envelope is overly conservative for skin exposure.

    Academic text (1998)
  • Hana smiles, opens a shutter to let a fierce envelope of light into the room.

    Fiction book (1996)
  • On top is the envelope that the other shape is going to fit into.

  • It's all in the envelope.

  • Keep them in the envelope.

  • You have an envelope of photographs in your pocket.

  • You delivered an envelope to Dominick's wife yesterday.

  • The moment you open the envelope and see that your sock is red, you know that my sock is blue.

  • The table was covered now with butterflies, some half-emerged from their envelopes, some listing gently in the wind.

    Fiction book (1996)
  • Please place the letter inside the envelope before mailing it.

Synonyms

layer
vsenvelope
432 2.0

A thin sheet of material that covers a surface

surrounds things completely rather than only forming a surface sheet
wrapper
vsenvelope
58 1.0

A piece of paper or plastic that covers things such as food

is broader, used for larger or non-packaging coverings and layers
wrap
vsenvelope
49 1.0

A covering made of paper or plastic that protects things

surrounds objects in many forms, not limited to thin paper coverings
wrapping
vsenvelope
45 1.0

Material used to cover and protect something, like a bandage or gift paper

covers even thin gas or plastic films and hard casings, not only material
gasbag
vsenvelope
  • Specialized
1 7.7

A large bag inside a balloon that holds gas to make it rise

is a general surrounding covering used in many contexts, not only lift uses

Idioms

To try new ideas that go beyond accepted limits

Compounds

Made quickly and simply to give a rough calculation or plan

pay envelope
  • Archaic
1 3.2

An envelope that holds the money a worker gets, often given on pay day

floral envelope
  • Specialized
7.5

Outer parts of a flower, like small leaf parts and colorful petals, that surround its male and female parts

An envelope not sealed by licking the flap

An envelope with a clear window that shows the address on the paper inside

How Enclosing

casing
45 3.0
shell
296 1.0
envelope
11 3.4
wrapper
58 1.0
coating
35 3.4
film
191 3.2

Surface Forms

envelope singular
envelopes plural

Etymology

Envelope comes from French parts en- 'in' and velop 'wrap'. That's why an envelope can mean a layer or cover that 'surrounds' something, like the air that surrounds the Earth.