ˌcommon deˈnominator noun [countable]

1. an attitude or quality that all the different members of a group have:
The common denominator of both types of novel is the vulnerable threatened heroine.

2. the lowest common denominator the least attractive, least intelligent people or features in a situation:
trashy TV programs that appeal to the lowest common denominator

3. technical a number that can be divided exactly by all the denominators (=bottom number) in a set of fractions

[TahlilGaran] Dictionary of Contemporary English ▲