preterm

[ pree-turm ]
/ priˈtɜrm /

adjective

occurring earlier in pregnancy than expected; premature: preterm labor.

noun

a baby born prematurely, especially one born before the 37th week of pregnancy and weighing less than 5½ pounds (2.5 kg).

Origin of preterm

First recorded in 1925–30; pre- + term
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for preterm

British Dictionary definitions for preterm

preterm

/ (ˌpriːˈtɜːm) /

adjective

(of a baby) born prematurely

adverb

prematurely
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for preterm

preterm

[ prētûrm′, prē-tûrm ]

adj.

Occurring or appearing before the expected time at the end of a full-term pregnancy.

n.

An infant born prematurely.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.