S phase
noun Cell Biology.
the period of the cell cycle prior to mitosis, during which the chromosomes are replicated.
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Origin of S phase
First recorded in 1940–45
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for s phase
S phase
n.
The phase of the mitotic cycle during which DNA synthesis occurs.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.