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
approbationcommendation
diabolicalof, relating to, or characteristic of the devil : devilish
bungleto act or work clumsily and awkwardly
purchaseto obtain by paying money or its equivalent : buy
pliantpliable
hallucinationa sensory perception (such as a visual image or a sound) that occurs in the absence of an actual external stimulus and usually arises from neurological disturbance (such as that associated with delirium tremens, schizophrenia, Parkinson's disease, or narcolepsy) or in response to drugs (such as LSD or phencyclidine)
catcalla loud or raucous cry made especially to express disapproval (as at a sports event)
talismanan object held to act as a charm to avert evil and bring good fortune
fledglinga young bird just fledged (see fledge
enlistto secure the support and aid of : employ in advancing an interest