Cover
Encyclopedia

Science and technology

  • A covering, usually one that completely closes the object
    • Lid
      Lid (container)
      A lid, also known as a cap, is part of a container, and serves as the cover or seal, usually one that completely closes the object.-History:...

    • Mechanical seal
      Seal (mechanical)
      A mechanical seal is a device which helps join systems or mechanisms together by preventing leakage , containing pressure, or excluding contamination...

  • The outside of an object, not necessarily enclosing the object
    • Album cover
      Album cover
      An album cover is the front of the packaging of a commercially released audio recording product, or album. The term can refer to either the printed cardboard covers typically used to package sets of 10" and 12" 78 rpm records, single and sets of 12" LPs, sets of 45 rpm records , or the front-facing...

    • Book cover
      Book cover
      A book cover is any protective covering used to bind together the pages of a book. Beyond the familiar distinction between hardcovers and paperbacks, there are further alternatives and additions, such as dust jackets, ring-binding, and older forms such as the nineteenth-century "paper-boards" and...

      , or magazine cover
    • CD and DVD packaging
      CD and DVD packaging
      Optical disc packaging is the packaging that accompanies CDs, DVDs, and other formats of optical media. Most packaging is rigid or semi-rigid and designed to protect the media from scratches and other types of exposure damage.- Jewel case:...

    • Cover (philately)
      Cover (philately)
      In philately, the term cover pertains to the outside of an envelope or package with an address, typically with postage stamps that have been cancelled and is a term generally used among stamp and postal history collectors. The term does not include the contents of the letter or package, although...

      , generic term for envelope or package
  • Protection
    • Cover system
      Cover system
      A cover system is how a video game lets a virtual avatar avoid dangers usually in a three-dimensional world. This method is a digital adaptation of the real-life military tactic of taking cover to dodge enemy gunfire or explosives. Similar gameplay elements can be traced back to as early as 1986,...

      , a system of protection in video games
    • Cover (military)
      Cover (military)
      In military combat, the concept of cover refers to anything which is capable of physically protecting an individual from enemy fire. This differentiates it from the similar concept of concealment, in that an object or area of concealment only affords the benefit of stealth, not actual protection...

      , a form of protection in combat
  • Engineering
    • Concrete cover
      Concrete cover
      Concrete cover, in reinforced concrete, is the least distance between the surface of embedded reinforcement and the outer surface of the concrete...

      , distance between reinforcement and the outer surface of element.
  • Geology
    • Sedimentary cover, overlies a basement (geology)
      Basement (geology)
      In geology, the terms basement and crystalline basement are used to define the rocks below a sedimentary platform or cover, or more generally any rock below sedimentary rocks or sedimentary basins that are metamorphic or igneous in origin...

       or crystalline basement

Deception and concealment

  • Official cover
    Official cover
    Official cover is a term used in espionage to refer to operatives who assume positions in organizations with diplomatic ties to the government for which they work....

  • Non-official cover
    Non-official cover
    Non-official cover is a term used in espionage, particularly by national intelligence services, for agents or operatives who assume covert roles in organizations without ties to the government for which they work. Such agents or operatives are typically abbreviated in espionage lingo as a NOC...

  • Something fake used in a cover-up
    Cover-up
    A cover-up is an attempt, whether successful or not, to conceal evidence of wrong-doing, error, incompetence or other embarrassing information...

    , untrue explanation for a situation or untrue reason for an action, to hide what is really going on or is the real motive, possibly including real actions and objects related to the story to make it plausible
  • Cover (telecommunications)
    Cover (telecommunications)
    In telecommunications, cover is the technique of concealing or altering the characteristics of communications patterns for the purpose of denying an unauthorized receiver information that would be of value....

    , a communications concealment technique

Mathematics

  • Cover (topology)
    Cover (topology)
    In mathematics, a cover of a set X is a collection of sets whose union contains X as a subset. Formally, ifC = \lbrace U_\alpha: \alpha \in A\rbrace...

    , the mathematical concept of a collection of subsets of a set whose union is the whole set
  • Cover (algebra)
    Cover (algebra)
    In abstract algebra, a cover is one instance of some mathematical structure mapping onto another instance, such as a group covering a subgroup. This should not be confused with the concept of a cover in topology....

    , the concept of an algebraic structure that maps onto another structure in structure-preserving fashion
  • A pair in the covering relation
    Covering relation
    In mathematics, especially order theory, the covering relation of a partially ordered set is the binary relation which holds between comparable elements that are immediate neighbours...

     of a partially ordered set
    Partially ordered set
    In mathematics, especially order theory, a partially ordered set formalizes and generalizes the intuitive concept of an ordering, sequencing, or arrangement of the elements of a set. A poset consists of a set together with a binary relation that indicates that, for certain pairs of elements in the...

    , or the greater element in such a pair
  • A covering space, in the theory of Riemann surfaces and topology
  • A (universal / double) covering group, a covering space with group structure, common in theoretical physics
  • Cover, an equivalent set of constraints in database theory
    Database theory
    Database theory encapsulates a broad range of topics related to the study and research of the theoretical realm of databases and database management systems....


Television, film, and music

  • Cover version
    Cover version
    In popular music, a cover version or cover song, or simply cover, is a new performance or recording of a contemporary or previously recorded, commercially released song or popular song...

    , a new version of a previously recorded song
  • Cover band
    Cover band
    A cover band , is a band that plays mostly or exclusively cover songs. New or unknown bands often find the cover band format marketable for smaller gigs, and these bands may be known as a wedding band, party band and function band. A band whose covers consist mainly of songs that were chart hits is...

    , a musical band that performs mostly cover versions
  • Cover, an understudy
    Understudy
    In theater, an understudy is a performer who learns the lines and blocking/choreography of a regular actor or actress in a play. Should the regular actor or actress be unable to appear on stage because of illness or emergencies, the understudy takes over the part...

     in opera
  • Cover (TV series), a 1981 television drama series
  • Cover (film)
    Cover (film)
    Cover is a drama thriller film starring Aunjanue Ellis, Razaaq Adoti, Vivica A. Fox, and Leon. The film was produced and directed by Bill Duke and open at selective theaters on February 22, 2008.-Plot synopsis:...

    , a 2007 film directed by Bill Duke

Music: records

  • Covers (The Autumns album), an EP by The Autumns
  • Covers (Placebo album)
    Covers (Placebo album)
    Covers is a cover album by British alternative rock band Placebo. The album was originally released as a bonus disc with the special edition version of Sleeping with Ghosts on 22 September 2003 through Hut Records and Astralwerks, which has since gone out of print. "Running Up that Hill" is mostly...

  • Covers (Show of Hands album)
  • Covers (James Taylor album)
    Covers (James Taylor album)
    Covers is the sixteenth album and the first "covers" album by singer-songwriter James Taylor, released on September 30, 2008. The album was recorded by Taylor's regular touring band. Some of the tunes Taylor had been performing off and on in concerts for years, while others were new to his repertoire...

  • Covers (Fayray album)
    Covers (Fayray album)
    - Charts and sales :...

  • Covers (A Camp album)
    Covers (A Camp album)
    - Release history :...

  • Covers (Deftones album)
    Covers (Deftones album)
    Covers is a compilation album by the American alternative metal band Deftones. The album was released through Warner Bros. Records as a limited edition release for Record Store Day on April 16, 2011...


People

  • Franklin Cover
    Franklin Cover
    Franklin Edward Cover was an American actor most noted for starring on the sitcom The Jeffersons. His character, Tom Willis, was half of one of the first interracial marriages to be seen on prime-time television....

     (1928–2006), an American actor
  • Robert Cover
    Robert Cover
    Robert Cover was a law professor, scholar, and activist, teaching at Yale Law School from 1972 until his untimely death at age 42 in 1986. He was born in Boston, Massachusetts in 1943. He attended Princeton University and Columbia Law School...

     (1943-1986), an American law professor, scholar, and activist
  • Thomas M. Cover
    Thomas M. Cover
    Thomas M. Cover is Professor jointly in the Departments of Electrical Engineering and Statistics at Stanford University...

     (born 1938), an American scientist

Sports

  • Cover, a fielding position in cricket
  • Cover 2, a class of defensive play in American Football

Business

  • Cover charge
    Cover charge
    At bars and nightclubs, or restaurants with live entertainment a flat fee for entry, sometimes known as a cover charge, is made, in addition to payment for food and drink...

    , an entry fee
  • Cover (law)
    Cover (law)
    Cover is a term used in the law of contracts to describe a remedy available to a merchant buyer who has received an anticipatory repudiation of a contract for the receipt of goods. Under the Uniform Commercial Code, the buyer is permitted to find another source of the same type of goods...

    , a remedy for the breach of a contract for the receipt of goods
  • Cover (finance), repurchasing a short order made on the stock/equity, forex or futures markets

See also

  • Covered
    Covered
    Covered is a term used in popular music in general to refer to a song recorded by different performer from its original or most popular recorded version, and by some disc jockeys in particular to describe a musical recording presented under the guise of a false title and artist name...

  • Covering (disambiguation)
  • Overall
    Overall
    An overall, coverall, over all, or dungarees, is a type of garment which is usually used as protective clothing when working...

    , a synonym for coverall
  • Undercover
    Undercover
    Being undercover is disguising one's own identity or using an assumed identity for the purposes of gaining the trust of an individual or organization to learn secret information or to gain the trust of targeted individuals in order to gain information or evidence...

    , disguising one's identity to gain the trust of targeted individuals
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