S phase

noun

Definition of S phase

: the period in the cell cycle during which DNA replication takes place — compare g1 phase, g2 phase, m phase

First Known Use of S phase

1966, in the meaning defined above

History and Etymology for S phase

synthesis

Learn More About S phase

Time Traveler for S phase

Time Traveler

The first known use of S phase was in 1966

See more words from the same year

Dictionary Entries Near S phase

Sphargis

S phase

sphecid

See More Nearby Entries 

Statistics for S phase

Cite this Entry

“S phase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/S%20phase. Accessed 29 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for S phase

S phase

noun

Medical Definition of S phase

: the period in the cell cycle during which DNA replication takes place — compare g1 phase, g2 phase, m phase

WORD OF THE DAY

Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!