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
prongfork
pessimisman inclination to emphasize adverse aspects, conditions, and possibilities or to expect the worst possible outcome
eerieso mysterious, strange, or unexpected as to send a chill up the spine
extortto obtain from a person by force, intimidation, or undue or illegal power : wring
quoruma select group
exactingtryingly or unremittingly severe in making demands
appendattach
charydiscreetly cautious: such as
confidentialmarked by intimacy or willingness to confide
tenurethe act, right, manner, or term of holding something (such as a landed property, a position, or an office)