PIETROWSKI'S REACTION
\pa͡ɪ͡ətɹˈə͡ʊskɪz ɹɪˈakʃən], \paɪətɹˈəʊskɪz ɹɪˈakʃən], \p_aɪə_t_ɹ_ˈəʊ_s_k_ɪ_z ɹ_ɪ__ˈa_k_ʃ_ə_n]\
Word of the day
ma'ter
- A mother. Anything that produces substance structure subserves its growth; a membrane covering the brain or spinal cord.