Superhero isotope Synonyms

We can't find synonyms for the phrase "Superhero isotope", but we have synonyms for terms, you can combine them.

SI abbreviation

SI is an abbreviation for Superhero Isotope
What does SI stand for?
SI stands for "Superhero Isotope"

Definitions for Isotope


  • (noun) one of two or more atoms with the same atomic number but with different numbers of neutrons