an infant developed from an ovum fertilized in vitro and implanted into a woman's uterus, usually that of the biological mother.
Origin of test-tube baby
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for test-tube baby
a fetus that has developed from an ovum fertilized in an artificial womb
a baby conceived by artificial insemination
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 test-tube baby
A baby developed from an egg that was fertilized outside the body and then implanted in the uterus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.