equiatomic
/ˌɛkwɪætəˈmɪk/Definitions
1. adjective
Having the same number of atoms of each element in its molecules or formula units.
“The chemist studied the equiatomic compounds for their unique properties.”
2. noun
A compound that has the same number of atoms of each element in its molecules or formula units.
“The research team focused on the equiatomic structure of the newly discovered molecule.”