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
defaceto mar the appearance of : injure by effacing significant details
unearthlynot earthly: such as
congealto change from a fluid to a solid state by or as if by cold
axioma statement accepted as true as the basis for argument or inference : postulate
decompositionto separate into constituent parts or elements or into simpler compounds
teneta principle, belief, or doctrine generally held to be true
venturesomeinclined to court or incur risk or danger : daring
incidencerate of occurrence or influence
rarefiedbeing less dense
siftto put through a sieve