脱だつ字じ

noun

omitted character; missing letter

Refers to a character or letter accidentally left out in writing or printing. Common in proofreading contexts.

• この文ぶん章しょうには脱だつ字じが多おおい。

  This text has many omitted characters.

• 校こう正せいで脱だつ字じを見みつけた。

  I found a missing letter during proofreading.