intracellular

American

[in-truh-sel-yuh-ler] / ˌɪn trəˈsɛl yə lər /

adjective

within a cell or cells.

intracellular British

/ ˌɪntrəˈsɛljʊlə /

adjective

biology situated or occurring inside a cell or cells

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

intracellular Scientific

/ ĭn′trə-sĕl′yə-lər /

Occurring or situated within a cell or cells.

Other Word Forms

intracellularly adverb

Etymology

Origin of intracellular

First recorded in 1875–80; intra- + cellular

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.

This is a common method for studying intracellular transport.

From Science Daily • Apr. 1, 2026

This reduces intracellular calcium levels, which he calls the "master regulator of vascular tension."

From Science Daily • Dec. 2, 2025

They noted a significant concentration-dependent increase in the intracellular concentration of MK-4.

From Science Daily • Oct. 14, 2025

A protein kinase activated by cyclic adenosine monophosphate, an intracellular signaling molecule.

From Science Daily • Dec. 3, 2024

However, the radiation causes what he called intracellular ionization, and that is the real damage.

From "Z for Zachariah" by Robert C. O’Brien

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