CROW'S BILL
\kɹˈə͡ʊz bˈɪl], \kɹˈəʊz bˈɪl], \k_ɹ_ˈəʊ_z b_ˈɪ_l]\
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By Nuttall, P.Austin.
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.