\pˈʌlvɪlˌɪfɔːm], \pˈʌlvɪlˌɪfɔːm], \p_ˈʌ_l_v_ɪ_l_ˌɪ_f_ɔː_m]\
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1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.
1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth

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.
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