isotop

Noun

 * 1)  isotope

Noun

 * 1)  isotope

Adjective

 * 1) isotopic

Noun

 * 1)  isotope

Etymology
From.

Noun

 * 1)  an isotope

Etymology
From.

Noun

 * 1)  an isotope

Noun

 * 1) isotope (atoms of the same element having a different number of neutrons)