Meanings
Synonyms & antonyms
nounThe semipermeable membrane that surrounds the cytoplasm of a cell.
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More synonyms by meaning
nouna thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell
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Broader
semipermeable membrane
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Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
plasma membrane. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/plasma%20membrane
MLA
“plasma membrane.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/plasma%20membrane. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “plasma membrane,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/plasma%20membrane.
Source: plasma membrane on Wiktionary, CC BY-SA 4.0.