the quantum number that designates the total angular momentum associated with electron spin and has a value of ½ in units of h /2π.
noun 1. Physics. electron spin resonance. electron spin resonance noun, Physics. 1. 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. electron spin resonance noun 1. a technique for investigating paramagnetic substances by subjecting them to high-frequency radiation […]
- Spinal atrophy
spinal atrophy n. See tabes dorsalis.
- Spinal artery
spinal artery n. An artery with origin in the vertebral artery, with distribution to the spinal cord and the pia mater, and with anastomoses to the branches of the intercostal and lumbar arteries; anterior spinal artery. An artery with origin in the vertebral artery, with distribution to the medulla, spinal cord, and pia mater; and […]
noun 1. Disparaging and Offensive. a woman still unmarried beyond the usual age of marrying. 2. Chiefly Law. a woman who has never married. 3. a woman whose occupation is spinning. noun 1. an unmarried woman regarded as being beyond the age of marriage 2. (law) (in legal documents) a woman who has never married […]