奥陶纪

Traditional form:

奧陶紀

Pinyin (reading):

Aòtáojì

Definitions:

• Ordovician (geological period 495-440m years ago)

Characters:

• 奥 - mysterious, obscure, profound; used in transliterations
• 陶 - pottery, ceramics
• 纪 - discipline, age; period, era; record, annal

Traditional characters:

• 奧 - mysterious, obscure, profound; used in transliterations
• 陶 - pottery, ceramics
• 紀 - discipline, age; period, era; record, annal