ルビ

るび
noun
ruby text; furigana; reading aid above kanji
language
1. ruby text; furigana; reading annotations placed above or beside kanji
Small characters placed above (in horizontal text) or beside (in vertical text) kanji to indicate their pronunciation. Named after the typographic term 'ruby' for small-sized type.
To add ruby text to kanji.
Children's books have furigana annotations.

From the English typographic term 'ruby,' which refers to a small type size (5.5 points). In Japanese publishing and web design, ルビ refers to the small reading annotations placed alongside kanji characters.

Common collocations

Similar words

  • ()仮名(がな) (furigana): furigana — the native Japanese term for the same concept; more commonly used in everyday language
  • ()仮名(がな): reading kana — another term for pronunciation guides

Usage

ルビ is the preferred term in publishing, typography, and web development (HTML has a `<ruby>` tag). ()仮名(がな) is more common in educational contexts and everyday conversation. Both refer to the same thing.