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biro

C2
noun

Pronunciation

UK

  • /ˈbaɪ.rəʊ/uncountablenoun

US

  • /ˈbɪroʊ/

Description

A "biro" – often used interchangeably with "ballpoint pen" – is the everyday writing instrument many of us use daily. It's that trusty little tube filled with ink, capped or clicked to reveal a tiny ball bearing that rolls and leaves a trail as you write. The name comes from László Bíró, a Hungarian journalist who patented the first commercially successful version in 1938! So next time you jot down a grocery list or sign your name, remember you're wielding a "biro."

While "pen" is a general term, "biro" often evokes a specific image – a simple, reliable tool for everyday writing. It's particularly common in British and Australian English. You might ask someone to "lend me a biro," rather than just a pen, implying you need that particular type of writing instrument.

Examples

  1. 1

    Borrowing

    Have you got a biro I can borrow?

    • Usage

      mainly British English for a ballpoint pen

  2. 2

    Forms

    Please fill in the form in black biro.

    • Pattern

      in + colour + biro

      using that colour biro ink

  3. 3

    Handwritten note

    Her phone number was scribbled on the envelope in blue biro.

Forms and spellings

1 form open this card.

Main spelling

  • bironoun