fine-structure constant

noun 0.590

hydrogen spectrum

noun 0.564

nuclear quadrupole resonance

noun 0.557

electron spin resonance

noun 0.541

supermultiplet

noun 0.539

isotope shift

noun 0.536

parahydrogen

noun 0.526

nuclear magnetic resonance

noun 0.522

ferromagnetism

noun 0.519

antiferromagnetism

noun 0.519

nuclear magneton

noun 0.518

microstructure

noun 0.514

magnetic anisotropy

noun 0.502