noun
fully ruby-annotated; with furigana on all kanji
Used in publishing and document formatting to describe text where every kanji character has accompanying furigana (ruby) readings.
この教科書は総ルビなので、小学生でも読めます。
This textbook is fully ruby-annotated, so even elementary school students can read it.
総ルビの新聞は、日本語学習者に役立ちます。
Newspapers with furigana on all kanji are helpful for Japanese learners.