noun
vermillion ink stick; red ink
Refers to a stick of red ink used in calligraphy or painting, or the red ink itself. Often contrasted with 朱墨 (しゅずみ), which is a similar red ink stick.
See also: 朱墨
先生は赤墨で答案を添削した。
The teacher corrected the exam papers with red ink.
書道で赤墨を使うと、作品が引き締まる。
Using red ink in calligraphy gives the work a sharp finish.