Usage of the character 垩
è
垩
[堊]
- to whitewash
- to plaster
bái'è
白垩
[白堊]
- chalk
Bái'èshì
白垩世
[白堊世]
- Cretaceous (geological period 140-65m years ago)
Bái'èjì
白垩纪
[白堊紀]
- Cretaceous (geological period 140-65m years ago)