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Definitions

membrane

[mem-breyn] / ˈmɛm breɪn /
NOUN
covering layer
Synonyms


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.

The researchers describe this system as a "pseudo-organelle," a functional compartment that is not enclosed by a membrane but still plays a major role in organizing cell behavior.

From Science Daily • Apr. 1, 2026

However, maintaining the right balance requires additional proteins embedded in the lysosomal membrane.

From Science Daily • Mar. 26, 2026

When these two types of water meet, ions from the saltwater move through a specialized ion-selective membrane toward the lower-salinity water.

From Science Daily • Mar. 9, 2026

These include a protein modification process known as UFMylation and enzymes that help build membrane anchors within cells.

From Science Daily • Mar. 3, 2026

But Professor Kylmer had already started working on a variation of the plastic—a thin, slightly porous membrane that you could filter water through.

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