雌黄 (雌黃) cí huáng

1. cí huáng noun arsenic trisulfide
   Domain: Literary Chinese 文言文
   Notes:
2. cí huáng verb make changes in writing; malign; criticize without grounds
   Domain: Modern Chinese 现代汉语 , Subdomain: Chemistry
   Notes:

Also contained in

信口雌黄 、 妄下雌黄