单词 | chemiluminescence |
释义 | chemiluminescencen. Chemistry. The emission of light during a chemical reaction, occurring without emission of heat; the light produced by such a reaction. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions (general) > emission of light accompanying chemiluminescence1889 1889 tr. E. Wiedemann in London, Edinb., & Dublin Philos. Mag. 5th Ser. 28 151 According to the mode of excitation I distinguish Photo-, Electro-, Chemi- [Ger. Chemiluminescenz], and Tribo-luminescence. 1907 Chem. Abstr. 1 267 (title) A Reaction with Green Chemiluminescence. 1942 E. J. Bowen Chem. Aspects of Light xi. 170 The limits separating chemiluminescence from emission due to heat alone, and from electronic excitation..are not as clearly marked as they might be expected to be. 1966 New Scientist 17 Feb. 394/3 Chemiluminescence, which is emitted at room temperature during some chemical reactions. 2004 B. Bunch & A. Hellemans Hist. Sci. & Technol. 609/1 1967..John C. Polanyi..develops the method of infrared chemiluminescence for studying chemical reactions and bonds. Derivatives ˌchemilumiˈnescent adj. exhibiting or involving chemiluminescence. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to chemical reactions (general) > of or relating to emission of light accompanying chemiluminescent1913 1913 Jrnl. Amer. Chem. Soc. 35 825 Formaldehyde is known to be chemiluminescent under some conditions of alkaline oxidation. 1970 R. P. Wayne Photochem. iv. 120 The oxidation of luminol..in alkaline solution by ferricyanide..is one of the best-known chemiluminescent reactions. 2002 Austral. Doctor (Sydney) 8 Nov. 17/2 GPs can relax if patients present with after-exposure to the chemicals in ‘glow-sticks’ and other chemiluminescent products. This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1889 |
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