ROTARIAN
\ɹə͡ʊtˈe͡əɹi͡ən], \ɹəʊtˈeəɹiən], \ɹ_əʊ_t_ˈeə_ɹ_iə_n]\
Word of the day
Archaeozoic Era
- the time prior to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life