Definition of age difference
: the amount by which ages are different There's a 15-year age difference between her oldest and youngest children.
Word by Word Definitions
: the time of life at which some particular qualification, power, or capacity arises or rests
: one of the stages of life
: to become old : show the effects or the characteristics of increasing age
: to acquire a desirable quality (such as mellowness or ripeness) by standing undisturbed for some time
: to cause to become old
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