gold-197 (English, noun)
expansion: gold-197 (uncountable)
Senses:
topics: natural-sciences
physical-sciences
physics
glosses: A stable isotope ¹⁹⁷₇₉Au, having 79 protons and 118 neutrons; it is the only stable isotope of gold, and the only isotope of gold that occurs in nature in significant amounts.
tags: uncountable
Forms: