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
truncateto shorten by or as if by cutting off
incorporealnot corporeal : having no material body or form
winnowto remove (something, such as chaff) by a current of air
cisternan artificial reservoir (such as an underground tank) for storing liquids and especially water (such as rainwater)
obstreperousmarked by unruly or aggressive noisiness : clamorous
pass_offpresent falsely; represent falsely to be
stupora condition of greatly dulled or completely suspended sense or sensibility
resourcefulable to meet situations : capable of devising ways and means
dys-abnormal
habituateto make used to something : accustom