ectoplasm
noun /ˈektəʊplæzəm/
/ˈektəʊplæzəm/
[uncountable]- (old-fashioned, biology) the outer layer of the jelly -like substance inside cells compare endoplasm
- a substance that 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