サブノート

noun

supplementary notebook; sub-notebook (for class)

A notebook used alongside a main textbook or lecture notes, often for summaries, exercises, or supplementary material. Wasei-eigo from English 'sub-note'.

wasei-eigo (Japanese-coined English), from sub-note

• 授じゅ業ぎょうの内ない容ようをサブノートにまとめている。

  I'm summarizing the class content in my supplementary notebook.

noun

subnotebook; ultraportable computer

Refers to a small, lightweight laptop, often called a subnotebook or ultraportable in English. Less common than the classroom notebook sense.