1
a
: of, relating to, or consisting of cells
a cellular structure
cellular growth
b
: cell-mediated
cellular immunity
2
: containing cavities : having a porous texture
cellular rocks
3
: of, relating to, or being a radiotelephone system in which a geographical area (such as a city) is divided into small sections each served by a transmitter of limited range
cellular phones

cellular

2 of 2

noun

Examples of cellular in a Sentence

Adjective Researchers are observing the course of the disease at the cellular level.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
These claims are largely based on laboratory studies showing that nicotine can affect cellular pathways related to oxidative stress and animal studies suggesting effects on inflammation and other mechanisms linked to aging and disease. — Hasmeena Kathuria, The Conversation, 22 Sep. 2026 When caffeine works with AMPK, researchers found that a handful of cellular processes seem to reap the benefits. — Maggie Ryan, Flow Space, 21 Sep. 2026
Noun
Titanium models with cellular also keep their previous price points at $699 (42mm) and $749 (46mm). — Will Greenwald, PC Magazine, 17 Sep. 2026 India has formally designated the lower portion of the 6-GHz band for unlicensed wireless use, and the 6,425-to-7,125-MHz range for licensed cellular. — Stephen Cousins, IEEE Spectrum, 25 June 2026 See All Example Sentences for cellular

Word History

Etymology

Adjective

New Latin cellularis, from cellula living cell, from Latin, diminutive of cella small room

First Known Use

Adjective

1716, in the meaning defined at sense 1a

Noun

1985, in the meaning defined above

Time Traveler
The first known use of cellular was in 1716

Browse Nearby Words

Cite this Entry

“Cellular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cellular. Accessed 27 Sep. 2026.

Kids Definition

cellular

adjective
cel·​lu·​lar
ˈsel-yə-lər
1
: of, relating to, or consisting of cells
2
: of, relating to, or being a radiotelephone system in which a geographical area (as a city) is divided into small sections each served by a transmitter of limited range
cellular phones

Medical Definition

cellular

adjective
1
: of, relating to, or consisting of cells
2
: cell-mediated
cellular immunity
cellularity noun
plural cellularities
Love words? Need even more definitions?

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