SPASMODIC DYSMENORRHEA
\spazmˈɒdɪk dˈɪsmənˌɒɹi͡ə], \spazmˈɒdɪk dˈɪsmənˌɒɹiə], \s_p_a_z_m_ˈɒ_d_ɪ_k d_ˈɪ_s_m_ə_n_ˌɒ_ɹ_iə]\
Word of the day
Ultraviolet Ray
- That portion electromagnetic spectrum immediately below visible range extending into x-ray frequencies. longer near-biotic vital necessary for endogenous synthesis of vitamin D and are also called antirachitic rays; the shorter, ionizing wavelengths (far-UV or abiotic extravital rays) viricidal, bactericidal, mutagenic, carcinogenic used as disinfectants.