In dictionaries:
of age
Legally old enough for responsibility.
old age
Decline in physical and mental faculties.
an age
(published in the United States as Cryptozoic!) a 1967 science fiction novel by English writer Brian Aldiss.
age group
Categorization of people by age.
age groups
Categories based on chronological age.
golden age
Period of peak achievement, prosperity.
New Age
Spiritual, holistic practices and beliefs.
Bronze Age
Period characterized by bronze tool use.
Iron Age
Period characterized by iron use.
middle age
Transition between youth and old age.
Stone Age
Prehistoric period, characterized by stone tools.
ice age
Period of extensive glacial coverage.
school age
Period when children attend school.
age range
Span of years between ages.
Retirement age
Age to stop regular employment.
under age
Not legally adult; minor status.
Information Age
Era dominated by digital information.
Gestational age
Time elapsed since last menstruation.
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