S phase
Save This Word!
noun Cell Biology.
the period of the cell cycle prior to mitosis, during which the chromosomes are replicated.
QUIZZES
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Origin of S phase
First recorded in 1940–45
Words nearby S phase
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for S phase
Medical 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.