RETROGRADATION
\ɹˌɛtɹə͡ʊɡɹadˈe͡ɪʃən], \ɹˌɛtɹəʊɡɹadˈeɪʃən], \ɹ_ˌɛ_t_ɹ_əʊ_ɡ_ɹ_a_d_ˈeɪ_ʃ_ə_n]\
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By Noah Webster.
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.