noun
vermillion; cinnabar red; red-orange
A traditional bright red-orange color, often associated with Japanese culture, seals, and ink.
朱色の鳥居が印象的だ。
The vermillion torii gate is striking.
noun
vermillion pigment; cinnabar pigment
The pigment itself, historically made from cinnabar; used in painting, printing, and traditional crafts.
この絵には朱の顔料が使われている。
Vermillion pigment is used in this painting.
noun
red-ink correction
A correction or annotation written in red ink, common in teaching or proofreading contexts.
先生が答案に朱を入れた。
The teacher marked corrections in red on the exam paper.