What is the antonym of "ink"?

The antonym is: Zhu

Zhu? 1. Note: Zhu (② Zhu) zhū Red: vermilion. Zhu Pi. Zhubi. Zhuwen (Yangwen on the seal). Zhumen (Red Painted Gate)

2. Mineral name: Cinnabar (an inorganic compound, used as a sedative in traditional Chinese medicine. Also known as "cinnabar" and "cinnabar"). red and black.

3. Surname

4. Commonly used phrases: Zhubi, Zhudan, vermilion, cinnabar, etc.

5. Basic meaning: refers to something. The shape of the small seal character is from wood, and one indicates that this kind of wood has a red heart. Original meaning: red heart wood.