aeon

PRIMARY MEANINGS OF: aeon

1	n	the longest division of geological time
2	n	(Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe

FULL DEFINITIONS OF: aeon

Examples:: show 5 examples...; hide 5 examples...; Phanerozoic aeon
the period from about 5,400 million years ago until the present; Precambrian period
the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago; Proterozoic aeon
from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms; Archaeozoic aeon
the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life; Priscoan aeon
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life

Type of:: geologic time, geological time
the time of the physical formation and development of the earth (especially prior to human history)

Type of:: spiritual being, supernatural being
an incorporeal being believed to have powers to affect the course of human events

Launch

WORD FAMILY

USAGE EXAMPLES