electron spin resonance

noun

The absorption of radiation by species having unpaired electrons when placed in a magnetic field that is used spectroscopically to detect and study free radicals

Similar
ESRelectron paramagnetic resonance
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Meanings

nounelectron spin resonance (plural electron spin resonances, abbreviation ESR)

plural electron spin resonances · abbreviation ESR · alternative electron-spin resonance

  1. natural sciencesThe absorption of radiation by species having unpaired electrons when placed in a magnetic field that is used spectroscopically to detect and study free radicals

Synonyms & antonyms

nounmicrowave spectroscopy in which there is resonant absorption of radiation by a paramagnet

Similar
ESRelectron paramagnetic resonance
Broader
microwave spectroscopy
Also see
electron paramagnetic resonanceparamagnetic resonance

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

electron spin resonance. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/electron%20spin%20resonance

MLA

“electron spin resonance.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/electron%20spin%20resonance. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “electron spin resonance,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/electron%20spin%20resonance.

Source: electron spin resonance on Wiktionary, CC BY-SA 4.0.