FOREIGN AGENT
\fˈɒɹən ˈe͡ɪd͡ʒənt], \fˈɒɹən ˈeɪdʒənt], \f_ˈɒ_ɹ_ə_n ˈeɪ_dʒ_ə_n_t]\
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.