What is the definition of Preoterozoic era? | Dictionary.net

PREOTEROZOIC ERA

\pɹɪˈə͡ʊtɹəzˌə͡ʊɪk ˈi͡əɹə], \pɹɪˈə‍ʊtɹəzˌə‍ʊɪk ˈi‍əɹə], \p_ɹ_ɪ__ˈəʊ_t_ɹ_ə_z_ˌəʊ_ɪ_k ˈiə_ɹ_ə]\

Definitions of PREOTEROZOIC ERA

2006 - WordNet 3.0
2011 - English Dictionary Database

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from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

2006 - WordNet 3.0
By Princeton University

from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

2011 - English Dictionary Database
By DataStellar Co., Ltd

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