Hypernym

noun

a major division of geological time; an era is usually divided into two or more periods

Part_meronym

noun

from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

noun

The Calymmian is the first geologic period in the Mesoproterozoic Era and lasted from 1600 to 1400 million years ago.

noun

The Ectasian is the second geologic period in the Mesoproterozoic Era and lasted from 1400 ago to 1200 million years ago.

noun

The Stenian is the final geologic period in the Mesoproterozoic Era and lasted from 1200 to 1000 million years ago.

Mesoproterozoic 1

noundomain: time

EnWordnet [ver.5.0]

English

Definition

The Mesoproterozoic is a geologic era that occurred from 1,600 to 1,000 million years ago.

Examples

1.The Mesoproterozoic was the first period of Earth's history of which a respectable geological record survives.

Part_holonym

noun

from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

noun

The Calymmian is the first geologic period in the Mesoproterozoic Era and lasted from 1600 to 1400 million years ago.

noun

The Ectasian is the second geologic period in the Mesoproterozoic Era and lasted from 1400 ago to 1200 million years ago.

noun

The Stenian is the final geologic period in the Mesoproterozoic Era and lasted from 1200 to 1000 million years ago.