GRE Word List

ISOTOPE

any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties

The meaning of the word isotope is any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties.

Random words

WordMeaning
etymologythe history of a linguistic form (such as a word) shown by tracing its development since its earliest recorded occurrence in the language where it is found, by tracing its transmission from one language to another, by analyzing it into its component parts, by identifying its cognates in other languages, or by tracing it and its cognates to a common ancestral form in an ancestral language
progenitoran ancestor in the direct line : forefather
inebriateone who is drunk
maculatedmarked with spots : blotched
asinineextremely or utterly foolish or silly
revertto come or go back (as to a former condition, period, or subject)
trothloyal or pledged faithfulness : fidelity
dozeto sleep lightly
conteststrive
rebuttalthe act of rebutting especially in a legal suit