Meaning of ECTOPLASM in English

noun Date: 1883 the outer relatively rigid granule-free layer of the cytoplasm usually held to be a gel reversibly convertible to a sol, a substance held to produce spirit materialization and telekinesis, ~ic adjective

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.