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
concedeto acknowledge grudgingly or hesitantly
consortassociate
bugabooan imaginary object of fear
aplombcomplete and confident composure or self-assurance : poise
ruminateto go over in the mind repeatedly and often casually or slowly
grossglaringly noticeable usually because of inexcusable badness or objectionableness
expertisethe skill of an expert
succorrelief
formalitycompliance with formal or conventional rules : ceremony
superfluousexceeding what is sufficient or necessary : extra