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English definition of “lowest common denominator”

lowest common denominator

noun uk   us  

lowest common denominator noun (NUMBER)

[C usually singular] specialized mathematics the smallest number that can be exactly divided by all the bottom numbers in a group of fractions

lowest common denominator noun (LEAST INTELLIGENT)

the lowest common denominator [S] used to refer in a disapproving way to the sort of people in society who are least intelligent and who will accept low-quality products and entertainment: The problem with so much television is that it is aimed at the lowest common denominator.
(Definition of lowest common denominator from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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