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Epoch
01
a period of time in history or someone's life, during which significant events happen
Examples
The Renaissance was an epoch of great cultural and artistic achievements in Europe.
For the scientist, the discovery of the new element marked the beginning of a revolutionary epoch in chemistry.
02
a subdivision of a geologic period, characterized by distinctive and globally recognizable rock layers, fossils, and significant changes in Earth's climate and biota
Examples
Each epoch in Earth's history is defined by unique climate and life forms.
During the Holocene epoch, human civilization developed rapidly.
03
a fixed point in time used as a reference for recording astronomical data, such as the coordinates of celestial bodies
SpecializedExamples
The positions of stars are given relative to a standard epoch.
Astronomers update catalogs each epoch to account for changes.
Lexical Tree
epochal
epoch
