Letters that make isotope
s, o, e, p, t, i are letters that make 'isotope'
isotopes is a word created by adding a letter to 'isotope'
1 possible definitions for 'isotope'
Under this definition, isotope is a noun and has the following properties:
'isotope' can be a type of atom.
radioisotope, deuterium, heavy hydrogen are types of 'isotope'.
isotopic is a derivative of isotope.