'Prematurity' definitions:

Definition of 'prematurity'

From: WordNet
noun
The state of being premature [syn: prematureness, prematurity]

Definition of 'Prematurity'

From: GCIDE
  • Prematurity \Pre`ma*tu"ri*ty\, n. [Cf. F. pr['e]maturit['e].] The quality or state of being premature; early, or untimely, ripeness; as, the prematurity of genius. [1913 Webster]