読よみかけ

noun, noun which may take the genitive case particle 'no'

half-read; partially read; left unfinished

Describes a book, document, or text that has been started but not finished reading. Often used with の to modify a noun, e.g., 読みかけの本 (a book one is in the middle of reading).

• 机つくえの上うえに読よみかけの本ほんが置おいてある。

  There is a half-read book on the desk.

• 読よみかけの漫まん画がをそのままにして出でかけた。

  I left the manga I was reading unfinished and went out.