: one of the cellular membranes including those of the plasma membrane, endoplasmic reticulum, nuclear envelope, and Golgi apparatus
specifically : unit membrane

Word History

First Known Use

1956, in the meaning defined above

Time Traveler
The first known use of cytomembrane was in 1956

Browse Nearby Words

Cite this Entry

“Cytomembrane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytomembrane. Accessed 20 Mar. 2025.

Medical Definition

cytomembrane

noun
: one of the cellular membranes including those of the plasma membrane, endoplasmic reticulum, nuclear envelope, and Golgi apparatus
specifically : unit membrane
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