Proterozoic

See also: proterozoic

English

Etymology

protero- +‎ -zoic

Pronunciation

• (US) IPA^(key): /ˌpɹoʊt(ə)ɹrəˈzoʊɪk/, /ˌpɹoʊt(ə)ɹoʊˈzoʊɪk/
• (UK) IPA^(key): /ˌpɹɒt(ə)ɹəˈzəʊɪk/, /ˌpɹɒt(ə)ɹəʊˈzəʊɪk/

• Audio (Southern England)

  (file)

• Rhymes: -əʊɪk

Adjective

Proterozoic (not comparable)

1. (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)
• German: proterozoisch
• Greek: προτεροζωικός (proterozoïkós)
• Irish: Prótarasóch
• Italian: proterozoico (it)
• Portuguese: proterozoico
• Russian: протерозо́йский (ru) m (protɛrozójskij)
• Spanish: Proterozoico

Proper noun

Proterozoic

1. (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.

   Hypernym: (eon/supereon) Precambrian

   Hyponyms: Paleoproterozoic, Mesoproterozoic, Neoproterozoic

   Coordinate terms: (preceding eon) Archaean, (succeeding eon) Cambrian

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 (Proterozoïkós)
• Hungarian: proterozoikum (hu)
• Italian: proterozoico (it)
• Japanese: 原生代 (げんせいだい, Genseidai)
• Polish: proterozoik (pl) m
• Portuguese: Proterozoico m
• Russian: протерозо́й (ru) m (protɛrozój)
• Serbo-Croatian:

  Cyrillic: протерозо̀ик, алгонкиј m

  Roman: proterozòik (sh) m, algonkij m

• Spanish: Proterozoico m

See also

• Appendix:Geologic timescale