Definition of ectoplasm noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈektəʊplæzəm//
    ; NAmE NAmE//ˈektoʊplæzəm//
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  1. 1 (biology, old-fashioned) the outer layer of the jelly-like substance inside cells compare endoplasm
  2. 2a substance which is said to come from the body of somebody who is communicating with the spirit of a dead person, allowing the spirit to have a form
See the Oxford Advanced American Dictionary entry: ectoplasm