S Phase Definition & Meaning

Definition

Etymology

Examples

S phase American

noun

Cell Biology.

1. the period of the cell cycle prior to mitosis, during which the chromosomes are replicated.

Etymology

Origin of S phase

First recorded in 1940–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In Novo’s Phase 3 trial, patients who took the highest dose of the Wegovy pill had an average weight loss of 17%.

From MarketWatch

Results from Nuvalent’s Phase 1/2 trial suggest the drug is poised to upend lorlatinib as the premier ALK inhibitor on the market, noting that the company had to halt enrollment in the trial because it was growing too expensive.

From The Wall Street Journal

The company’s phase 2 plant is still awaiting final approval, but the delivery ramp-up in recent months has been impressive and the company delivered around 49,000 units in October, they add.

From The Wall Street Journal

AstraZeneca is developing a pill that won’t require an empty stomach, but the success of Merck’s Phase pivotal 3 study suggests that the difference may not much matter.

From Barron's

“First Steps” will mark the beginning of the MCU’s Phase 6.

From Los Angeles Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.