ELECTRON SPIN RESONANCE

WordNet Dictionary

	Definition:	[n] microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet

	Websites:

	Synonyms:	electron paramagnetic resonance, ESR

	See Also:	microwave spectroscopy

Glossary

	Definition:	a chronometric dating technique based upon the behavior of electrons in crystals exposed to naturally occurring radioactivity; used to date limestone, coral, shell, teeth, and other materials. Enables trapped electrons within bone and shell to be measured without the heating that thermoluminescence requires.