\ˌɪntəsɛɡmˌɛntˈe͡ɪli͡ə], \ˌɪntəsɛɡmˌɛntˈe‍ɪli‍ə], \ˌɪ_n_t_ə_s_ɛ_ɡ_m_ˌɛ_n_t_ˈeɪ_l_iə]\
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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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