adolescence adolescence /ˌædoʊˈlɛsəns/

noun

1. () The time period between the beginning of puberty and adulthood  ( adolescence )
   the time period between the beginning of puberty and adulthood
     Adolescence is a period of significant growth and development in a person's life.
   Adolescence is a period of significant growth and development in a person's life.
   
   
2. In the state that someone is in between puberty and adulthood  ( adolescence )
   in the state that someone is in between puberty and adulthood