Definition of prematuration in English:

prematuration

noun

  • 1Unusually early maturation. Also: a process of maturation (in part or in some respect) which takes place before the ordinary or final stage of maturation.

  • 2Prematurity at birth. rare.

adjective

  • Occurring before maturation.

Origin

Early 20th century; earliest use found in American Journal of Psychology. From pre- + maturation.