- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for preterm
“I went into preterm labor at 22 weeks with my son… I hope one day we both can have healthy babies,” a woman writes.Parents of Stillborn Babies Post Hundreds of Memorials to YouTube
November 4, 2013
And a 2010 study found a link between women who drank diet soda while pregnant and the risk of preterm delivery.There Are Dangers in Drinking Diet Soda
July 13, 2013
- (of a baby) born 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
Word Origin and History for preterm
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.