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Geologic time units pronunciation guide

A pronunciation guide for geologic time units.

A

Archean /ɑːrˈkiːən/

C

Chaotian /keɪˈoʊʃən/

Cryptozoic /ˌkrɪptəˈzoʊɪk/

H

Hadean /ˈheɪdiən/

P

Phanerozoic /ˌfænərəˈzoʊɪk/

Precambrian /priːˈkæmbriən/

Proterozoic /ˌproʊtərəˈzoʊɪk/

Term	Pronunciation
Archean	/ɑːrˈkiːən/
Chaotian	/keɪˈoʊʃən/
Cryptozoic	/ˌkrɪptəˈzoʊɪk/
Hadean	/ˈheɪdiən/
Phanerozoic	/ˌfænərəˈzoʊɪk/
Precambrian	/priːˈkæmbriən/
Proterozoic	/ˌproʊtərəˈzoʊɪk/

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