Periplasm

//ˈpɛɹiˌplæzəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The region between the plasma membrane and the outer membrane or cell wall. countable, uncountable

Synonyms

All synonyms
periplasmic spaceperiplasmic space

Etymology

From peri- + -plasm. Coined by Peter D. Mitchell in 1961.

Related phrases

cell wallouter membraneplasma membrane

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.