[ek-tuh-plaz-uh m]

Origin of ectoplasm

First recorded in 1880–85; ecto- + -plasm
Related formsec·to·plas·mic, ec·to·plas·mat·ic [ek-tuh-plaz-mat-ik] /ˌɛk tə plæzˈmæt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ectoplasm

Historical Examples of ectoplasm

British Dictionary definitions for ectoplasm


  1. cytology the outer layer of cytoplasm in some cells, esp protozoa, which differs from the inner cytoplasm in being a clear gelSee also endoplasm
  2. spiritualism the substance supposedly emanating from the body of a medium during trances
Derived Formsectoplasmic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ectoplasm

1883, of amoebas, 1901, of spirits, from ecto- + -plasm.

Online Etymology Dictionary, © 2010 Douglas Harper