白垩世

Traditional form:

白堊世

Pinyin (reading):

Bái'èshì

Definitions:

• Cretaceous (geological period 140-65m years ago)

Characters:

• 白 - white; clear, pure, unblemished; bright
• 垩 - chalk; to daub with chalk; holy, sacred, sagacious
• 世 - generation, era, age; world

Traditional characters:

• 白 - white; clear, pure, unblemished; bright
• 堊 - chalk; to daub with chalk; holy, sacred, sagacious
• 世 - generation, era, age; world