What is envelope?

  • (noun): A flat rectangular paper container for papers.
    See also — Additional definitions below


An envelope is a common packaging item, usually made of thin flat material. It is designed to contain a flat object, such as a letter or card.

Read more about Envelope.

Some articles on envelope:

Envelope System
... The envelope system, also known as the envelope method, is a popular method for visualizing and maintaining a budget ... separate categories of household expenses in physically separate envelopes ... As currently used today, the envelope system is believed to have originated during the Great Depression of the 1930s ...
Lebaudy Patrie - Design - Overview
... components of the Patrie, like those of its predecessor, were the envelope (or "gas-bag"), a nickel-steel frame or keel, and a gondola suspended from the frame on steel cables ... Contained within the envelope was a ballonet, the function of which was to ensure that sufficient gas pressure was maintained in the envelope at all times, irrespective of the degree of expansion or contraction of ... Between the frame and the envelope and linking the two was a small hemp net ...
Coastal Class Blimp - History & Design
... The prototype was built in 1915 by using the envelope from the No ... The envelope was composed of rubber-proofed fabric that was also doped to hold the gas and resist the effects of weather, and had a distinctive trilobe shape in which the two lower lobes were situated side-by-side ... The trilobe envelope allowed the gondola to be hung closer to the envelope, reducing the overall height of the aircraft and slightly reducing head resistance ...
SS Class Blimp - Design and Development - Envelope
... The envelope of the experimental prototype had a volume of 20,500 cu ft (580 m3), but production models used a 60,000 cu ft (1,700 m3) envelope of similar shape that provided a typical gross ... Each of the SS versions used similar envelopes that were composed of four layers two of rubber-proofed fabric with a layer of rubber between them, and a further rubber layer on the inner, or ... of dope applied to it to protect it from the elements and to render the envelope completely gastight ...
Envelope - Mailers - Padded Mailers
... Shipping envelopes can have padding to provide stiffness and some degree of cushioning ... The padding can be ground newsprint, plastic foam sheets, or air filled bubbles ...

More definitions of "envelope":

  • (noun): A natural covering (as by a fluid).
    Example: "The spacecraft detected an envelope of gas around the comet"
  • (noun): Any wrapper or covering.
  • (noun): A curve that is tangent to each of a family of curves.
  • (noun): The bag containing the gas in a balloon.
    Synonyms: gasbag
  • (noun): The maximum operating capability of a system.
    Example: "Test pilots try to push the envelope"

Famous quotes containing the word envelope:

    Geroge Peatty: I’m gonna have it, Sherry. Hundreds of thousands, maybe a half million.
    Sherry Peatty: Of course you are, darling. Did you put the right address on the envelope when you sent it to the North Pole?
    Stanley Kubrick (b. 1928)

    ... all my letters are read. I like that. I usually put something in there that I would like the staff to see. If some of the staff are lazy and choose not to read the mail, I usually write on the envelope “Legal Mail.” This way it will surely be read. It’s important that we educate everybody as we go along.
    Jean Gump, U.S. pacifist. As quoted in The Great Divide, book 2, section 10, by Studs Terkel (1988)

    Life is not a series of gig lamps symmetrically arranged; life is a luminous halo, a semi-transparent envelope surrounding us from the beginning of consciousness to the end.
    Virginia Woolf (1882–1941)