The period of life beginning with the appearance of secondary sex characteristics and terminating with the cessation of somatic growth. The years usually referred to as adolescence lie between 13 and 18 years of age.

A person 13 to 18 years of age.

Synonyms: Teenager, Adolescence, Female Adolescent, Adolescents, Female, Youth, Female Adolescents, Adolescents, Male, Adolescent, Male, Youths, Male Adolescent, Adolescent, Female, Teens, Male Adolescents, Adolescent, Teenagers, Adolescents, Teen