WordReference Random House Learner's Dictionary of American English © 2026
ˈcom•mon deˈnom•i•na•tor, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Mathematicsa number that is a multiple of all the denominators of a set of fractions.
- a trait, characteristic, or attitude common to a group:The common denominator of all these groups is their desire to keep the judge from getting the position.
com′mon denom′inator,
- Mathematicsa number that is a multiple of all the denominators of a set of fractions.
- a trait, characteristic, belief, or the like common to or shared by all members of a group:Dedication to the cause of freedom was the common denominator of the American revolutionaries.
- 1585–95
'common denominator' also found in these entries (note: many are not synonyms or translations):