Sinhala Dictionary definitions for archaean
archaean 🔊
archaean : අති පුරාණ
archaean definition
Adjective. Ancient; pertaining to the earliest period in geological history.
Noun. The earliest period in geological period, extending up to the Lower SiluriaNoun. It includes an Azoic age, previous to the appearance of life, and an Eozoic age, including the earliest forms of life.