occurring earlier in pregnancy than expected; premature: preterm labor.
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-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for preterm
Contemporary Examples of preterm
British Dictionary definitions for preterm
(of a baby) born prematurely
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for preterm
also pre-term, 1928, from pre- + term (n.).
Online Etymology Dictionary, © 2010 Douglas Harper
Occurring or appearing before the expected time at the end of a full-term pregnancy.
An infant born prematurely.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.