请输入您要查询的英文单词:

 

单词 chemiluminescence
释义

chemiluminescencen.

Brit. /ˌkɛmɪˌluːmᵻˈnɛsns/, U.S. /ˌkɛmiˌluməˈnɛsns/
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: chemical adj., luminescence n.
Etymology: < chemi- (in chemical adj.) + luminescence n., after German Chemiluminescenz (E. Weidemann 1888, in Ann. Physik und Chemie 34 448; now Chemilumineszenz ). Compare earlier chemigraphy n., chemitype n., and also chemio- , variant of chemo- comb. form.
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
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/11 5:24:46