periplasm

noun
peri·​plasm | \ˈper-ə-ˌpla-zəm \

Definition of periplasm 

: the region in a gram-negative bacterium between the plasma membrane and an outer surrounding membrane that contains especially enzymes and a thin layer of peptidoglycan

Other Words from periplasm

periplasmic \ˌper-​ə-​ˈplaz-​mik \ adjective

First Known Use of periplasm

1961, in the meaning defined above

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The first known use of periplasm was in 1961

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