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REFERENCE

viewer

n.
US //ˈvjuɝ// UK //vjˈuːɐ// view·er
  1. 1 television/media (n.)
    B1 Intermediate

    a person who watches a television programme or online video.

    an individual who consumes broadcast or digital video content.

    Example

    The new drama series attracted millions of viewers on its first night.

    Example

    Market researchers analysed viewer demographics to determine which advertising slots would yield the highest return on investment during the championship game.

  2. 2 spectator (n.)
    B2 Upper Intermediate

    someone who looks at a specific sight, object, or event.

    a person who views a particular spectacle, exhibition, or scene.

    Example

    The painting was placed at eye level to give the viewer the best experience.

    Example

    The installation was designed to challenge the viewer's perception of space by using mirrors and strategic lighting.

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  1. 3 computing (n.)
    B2 Upper Intermediate Computing

    a computer program that lets you look at a file but not change it.

    a software application used to display the data within a file, typically providing read-only access.

    Example

    If you don't have the full software, you can download a free viewer to see the document.

    Example

    The technical team recommended installing a universal file viewer to ensure all employees could access the proprietary architectural blueprints.

Origin

From Middle English vewer; equivalent to view + -er.

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