What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

What is the difference between envelope and cover?

envelope | cover |

In lang=en terms the difference between envelope and cover

is that envelope is the shape of a sound, which may be controlled by a synthesizer or sampler while cover is of, pertaining to, or consisting of cover versions.

As nouns the difference between envelope and cover

is that envelope is a paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing while cover is a lid.

As verbs the difference between envelope and cover

is that envelope is an alternative spelling of lang=en while cover is to place something over or upon, as to conceal or protect.

As an adjective cover is

of or pertaining to the front cover of a book or magazine.

envelope

English

Etymology 1

From the (etyl) enveloppe, from envelopper.

Noun

(en noun)
  • A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
  • * {{quote-magazine, date=2013-06-14, author=(Jonathan Freedland)
  • , volume=189, issue=1, page=18, magazine=(The Guardian Weekly) , title= Obama's once hip brand is now tainted , passage=Now we are liberal with our innermost secrets, spraying them into the public ether with a generosity our forebears could not have imagined. Where we once sent love letters in a sealed envelope , or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet.}}
  • 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.
  • *
  • (geometry) A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
  • (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
  • (music) The shape of a sound, which may be controlled by a synthesizer or sampler.
  • (computing) The information used for routing an email that is transmitted with the email but not part of its contents.
  • (biology) An enclosing structure or cover, such as a membrane.
  • (engineering) The set of limitations within which a technological system can perform safely and effectively.
  • (astronomy) The nebulous covering of the head or nucleus of a comet; a coma.
  • An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.
  • (Wilhelm)
    Derived terms
    * envelope detector * envelope paradox * envelope stuffer * padded envelope * push the envelope * return envelope * window envelope
    Synonyms
    * (something that envelops ): wrapper * (bag containing the lifting gas ): gasbag

    See also

    * *

    Etymology 2

    See (envelop).

    Verb

    (envelop)
  • (nonstandard)
  • ----

    cover

    English

    (wikipedia cover)

    Noun

    (en noun)
  • A lid.
  • A hiding from view.
  • A front and back of a book or magazine.
  • A top sheet of a bed.
  • A cover charge.
  • A setting at a restaurant table or formal .
  • * {{quote-book, year=1897, author=
  • , title=(The Celebrity) , chapter=1 citation , passage=When I gave a dinner there was generally a cover laid for him. I liked the man for his own sake, and even had he promised to turn out a celebrity it would have had no weight with me.}}
  • (music) A rerecording of a previously recorded song; a cover version; a cover song.
  • (cricket) A fielding position on the off side, between point and mid off, about 30° forward of square; a fielder in this position.
  • (topology) A set (more often known as a family ) of sets, whose union contains the given set.
  • (philately) An envelope complete with stamps and postmarks etc.
  • (military) A solid object, including terrain, that provides protection from enemy fire.
  • (legal) In commercial law, a buyer’s purchase on the open market of goods similar or identical to the goods contracted for after a seller has breached a contract of sale by failure to deliver the goods contracted for.
  • (insurance) An insurance contract; coverage by an insurance contract.
  • (espionage) A persona maintained by a spy or undercover operative, cover story
  • The portion of a slate, tile, or shingle that is hidden by the overlap of the course above.
  • (Knight)
  • In a steam engine, the lap of a slide valve.
  • Derived terms

    * cover board * cover charge * cover letter * cover story * cover version * take cover * tonneau cover

    Adjective

    (-)
  • Of or pertaining to the front cover of a book or magazine.
  • (music) Of, pertaining to, or consisting of cover versions.
  • Verb

    (en verb)
  • To place something over or upon, as to conceal or protect.
  • :
  • :
  • To be over or upon, as to conceal or protect.
  • :
  • *
  • *:A great bargain also had been the excellent Axminster carpet which covered the floor; as, again, the arm-chair in which Bunting now sat forward, staring into the dull, small fire.
  • *{{quote-magazine, year=2013, month=May-June, author= Charles T. Ambrose
  • , title= Alzheimer’s Disease , volume=101, issue=3, page=200, magazine=(American Scientist) , passage=Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems—
  • To be upon all of, so as to completely conceal.
  • :
  • To set upon all of, so as to completely conceal.
  • :
  • To invest (oneself with something); to bring upon (oneself).
  • :
  • *(John Brougham) (1814-1880)
  • *:the powers that covered themselves with everlasting infamy by the partition of Poland
  • (label) To discuss thoroughly; to provide coverage of.
  • :
  • To deal with.
  • *2010 (publication date), "Contributors", , ISSN 0274-7529, volume 32, number 1, January–February 2011, page 7:
  • *:Richard Morgan covers science for The Economist'', ''The New York Times'', ''Scientific American'', and ''Wired .
  • To be enough money for.
  • :
  • :
  • (label) To act as a replacement.
  • :
  • (label) To have as an assignment or responsibility.
  • :
  • :
  • (label) To make a cover version of (a song that was originally recorded by another artist).
  • To protect using an aimed firearm and the threat of firing; or'' to protect using continuous, heaving fire at or in the direction of the enemy so as to force the enemy to remain in cover; ''or to threaten using an aimed firearm.
  • To provide insurance coverage for.
  • :
  • To copulate with (said of certain male animals such as dogs and horses).
  • :
  • :
  • To protect or control (a piece or square).
  • :
  • Derived terms

    * coverage * cover up * cover one's bases * coverer * discover * duck and cover * recover * uncover

    Descendants

    * German: (l)