phanerozoic

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Definitions from WordNet

Noun phanerozoic has 1 sense

Phanerozoic, Phanerozoic eon, Phanerozoic aeon - the period from about 5,400 million years ago until the present
--₁ is a kind of eon, aeon
--₁ has parts: Cenozoic, Cenozoic era, Age of Mammals

Definitions from the Web

Term: Phanerozoic

Part of Speech: Noun

Sense: The current geological era that began around 541 million years ago and is characterized by the diversification of complex life forms.

Usage: This term is primarily used in the field of geology to denote the most recent era of Earth's history, which encompasses the time period from the end of the Precambrian up until the present day.

Sample Sentences:

The Phanerozoic era witnessed the rapid emergence and evolution of numerous species.
Scientists study the fossil records from the Phanerozoic to understand the advancement of life.
The Phanerozoic era is divided into three main periods: the Paleozoic, Mesozoic, and Cenozoic.