Proterozoic

See also: proterozoic

English

Etymology

protero- +‎ -zoic

Pronunciation

Rhymes: -əʊɪk

Proper noun

Proterozoic

(geology) The eon from 2,500 Ma to 541.0±1.0 Ma, the beginning of the Phanerozoic, marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life.

Hypernyms

(eon 2,500-541 Ma): Precambrian - eon/supereon

Hypernyms

(eon 2,500-541 Ma): Paleoproterozoic, Mesoproterozoic, Neoproterozoic

Coordinate terms

(eon 2,500-541 Ma): Archaean - preceding eon, Cambrian - succeeding eon

Translations

eon 2,500-541 Ma

Chinese:
Mandarin: 元古宙 (zh) (Yuángǔzhòu)
Czech: starohory f pl, proterozoikum n
Estonian: proterosoikum, aguaegkond, agueoon
Finnish: proterotsooinen aioni
French: protérozoïque (fr) m
German: Proterozoikum (de) n
Greek: Προτεροζωικός m (Proterozoikós)

Japanese: 原生代 (げんせいだい, Genseidai)
Polish: proterozoik m
Portuguese: Proterozoico m
Russian: протерозо́й (ru) m (protɛrozój)
Serbo-Croatian:
Cyrillic: протерозоик, алгонкиј m

Roman: proterozoik (sh) m, algonkij m

Adjective

Proterozoic (not comparable)

(geology) Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.

Translations

of eon from 2,500 to 541 million years ago

Finnish: proterotsooinen (fi)
French: protérozoïque (fr)
Greek: προτεροζωικός (proterozoikós)

Irish: Prótarasóch
Portuguese: proterozoico

See also

Appendix:Geologic timescale

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