Definition of well-characterized in US English:

well-characterized

adjective

  • Clearly described or distinguished; having a distinct character.

Origin

Late 17th century; earliest use found in Theophilus Gale (1628–1679), ejected minister and theologian. From well + characterized.

Pronunciation

well-characterized

/ˌwɛlˈkarɪktərʌɪzd/