SUBSTRATA
\sʌbstɹˈɑːtə], \sʌbstɹˈɑːtə], \s_ʌ_b_s_t_ɹ_ˈɑː_t_ə]\
Word of the day
Rittenhouse, David
- (1732-1796), a famous astronomer, member Committee Safety in 1776 and treasurer Pennsylvania from 1777 to 1789. He was director of the U.S. mint 1792 1795.