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
instigateto goad or urge forward : provoke
inimitablenot capable of being imitated : matchless
wreakbring about
tickleto touch (a body part, a person, etc.) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements
liquidateto determine by agreement or by litigation the precise amount of (indebtedness, damages, or accounts)
passepast one's prime
moltto shed hair, feathers, shell, horns, or an outer layer periodically
induceto move by persuasion or influence
expurgateto cleanse of something morally harmful, offensive, or erroneous
earthyof, relating to, or consisting of earth