Cryogenian

Meaning

1. The Cryogenian period.
2. Of a geologic period within the Neoproterozoic era from about 850 to 600 million years ago.

Etymology / origin

Etymology tree English cryogenic Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānus Latin -iānusbor. English -ian English Cryogenian From cryogenic (“of low temperature”) + -ian.

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