prematurity noun2 •The condition of (a baby, etc.) being premature.The questions of prematurity and low birth weight and the implications for later development are consistent with the theme of risk and vulnerability discussed throughout the book. — 1995 •Something that is premature or occurs prematurely.Those individuals in the third group with 5 to 10 prematurities noted averaged 7 prematurities for every 57 heart beats[…]. — 1959 formsprematurities
