Meanings
nounperiplasm (countable and uncountable, plural periplasms)
plural periplasms
- countableuncountablebiologyThe region between the plasma membrane and the outer membrane or cell wall.
Synonyms: periplasmic space
Synonyms & antonyms
nounThe region between the plasma membrane and the outer membrane or cell wall.
Similar
periplasmic space
Origin
From peri- + -plasm. Coined by Peter D. Mitchell in 1961.
Full word history & related roots →Cite this entry
APA
periplasm. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/periplasm
MLA
“periplasm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/periplasm. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “periplasm,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/periplasm.
Source: periplasm on Wiktionary, CC BY-SA 4.0.