单词 | electron spin resonance |
释义 | electron spin resonance in British Englishnoun a technique for investigating paramagnetic substances by subjecting them to high-frequency radiation in a strong magnetic field. Changes in the spin of unpaired electrons cause radiation to be absorbed at certain frequencies Abbreviation: ESR. See also nuclear magnetic resonanceelectron spin resonance in American Englishnoun Physics the flipping back and forth between two spin directions of electrons in a magnetic field when electromagnetic radiation of the proper frequency is applied Abbreviation: ESR. Also called: electron paramagnetic resonance, spin resonance Word origin [1950–55]This word is first recorded in the period 1950–55. Other words that entered Englishat around the same time include: Common Market, action painting, allograph, point spread, point-of-saleExamples of 'electron spin resonance' in a sentence |
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