ectoplasm (ˈɛktəʊˌplæzəm) ![]() | |
| —n | |
| 1. | cytology See also endoplasm the outer layer of cytoplasm in some cells, esp protozoa, which differs from the inner cytoplasm in being a clear gel |
| 2. | spiritualism the substance supposedly emanating from the body of a medium during trances |
| ecto'plasmic | |
| —adj | |
| any modern theory of evolution holding that species evolve by natural selection acting on genetic variation |
| any alteration in the structure of an organism resulting from natural selection, by which the organism becomes more able to survive in its environment |