PREOTEROZOIC ERA
\pɹɪˈə͡ʊtɹəzˌə͡ʊɪk ˈi͡əɹə], \pɹɪˈəʊtɹəzˌəʊɪk ˈiəɹə], \p_ɹ_ɪ__ˈəʊ_t_ɹ_ə_z_ˌəʊ_ɪ_k ˈiə_ɹ_ə]\
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By Princeton University
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.