PRECLINICAL TRIAL
\pɹɪklˈɪnɪkə͡l tɹˈa͡ɪə͡l], \pɹɪklˈɪnɪkəl tɹˈaɪəl], \p_ɹ_ɪ_k_l_ˈɪ_n_ɪ_k_əl t_ɹ_ˈaɪ_əl]\
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.