proterozoic

P3R1O1T1E1R1O1Z10O1I1C3
US/ˌpɹoʊt(ə)ɹrəˈzoʊɪk/US/ˌpɹoʊt(ə)ɹoʊˈzoʊɪk/UK/ˌpɹɒt(ə)ɹəˈzəʊɪk/UK/ˌpɹɒt(ə)ɹəʊˈzəʊɪk/

adjective

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

Similar
early
UncommonScrabble 24
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proterozoic1

adjectiveproterozoic (not comparable)
  1. alternativenot comparableAlternative form of Proterozoic.

Proterozoic2

adjectiveProterozoic (not comparable)
  1. not comparablegeographyOf or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.
proper noun
  1. geographyThe 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.

Synonyms & antonyms

adjectiveformed in the later of two divisions of the Precambrian era

Similar
early

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From protero- + -zoic.

Full word history & related roots →

Translations

Chinese Mandarin 元古宙
  • 元古宙 (Yuángǔzhòu)eon 2,500-541 Ma
Czech starohory, proterozoikum
  • starohoryeon 2,500-541 Ma
  • proterozoikumeon 2,500-541 Ma
Dutch proterozoïcum
  • proterozoïcumeon 2,500-541 Ma
Estonian proterosoikum, aguaegkond
  • proterosoikumeon 2,500-541 Ma
  • aguaegkondeon 2,500-541 Ma
  • agueooneon 2,500-541 Ma
Finnish proterotsooinen, proterotsooinen aioni
  • proterotsooinenof eon from 2,500 to 541 million years ago
  • proterotsooinen aionieon 2,500-541 Ma
French protérozoïque, protérozoïque
  • protérozoïqueof eon from 2,500 to 541 million years ago
  • protérozoïqueeon 2,500-541 Ma
German proterozoisch, Proterozoikum
  • proterozoischof eon from 2,500 to 541 million years ago
  • Proterozoikumeon 2,500-541 Ma
Greek προτεροζωικός, Προτεροζωικός
  • προτεροζωικός (proterozoïkós)of eon from 2,500 to 541 million years ago
  • Προτεροζωικός (Proterozoïkós)eon 2,500-541 Ma
Hebrew פרוטרוזואיקאי, פרוטרוזואיקון
  • פרוטרוזואיקאי (proterozo'ikái)of eon from 2,500 to 541 million years ago
  • פרוטרוזואיקון (proterozo'ikón)eon 2,500-541 Ma
Hungarian proterozoikum
  • proterozoikumeon 2,500-541 Ma
Irish Prótarasóch
  • Prótarasóchof eon from 2,500 to 541 million years ago
Italian proterozoico, proterozoico
  • proterozoicoof eon from 2,500 to 541 million years ago
  • proterozoicoeon 2,500-541 Ma
Japanese 原生代
  • 原生代 (Genseidai)eon 2,500-541 Ma
Norwegian proterzoikum
  • proterzoikumeon 2,500-541 Ma
Polish proterozoik
  • proterozoikeon 2,500-541 Ma
Portuguese proterozoico, Proterozoico
  • proterozoicoof eon from 2,500 to 541 million years ago
  • Proterozoicoeon 2,500-541 Ma
Russian протерозо́йский, протерозо́й
  • протерозо́йский (protɛrozójskij)of eon from 2,500 to 541 million years ago
  • протерозо́й (protɛrozój)eon 2,500-541 Ma
Spanish Proterozoico, Proterozoico
  • Proterozoicoof eon from 2,500 to 541 million years ago
  • Proterozoicoeon 2,500-541 Ma

Rhymes & wordplay

Rhymes with proterozoic

heroicstoicMesozoicpaleozoicCenozoicanechoicphanerozoiczoicAnthropozoicholozoicpreheroic
All rhymes →
Cite this entry
APA

proterozoic. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/proterozoic

MLA

“proterozoic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/proterozoic. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “proterozoic,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/proterozoic.

Source: proterozoic on Wiktionary, CC BY-SA 4.0.