Assertion: protoplasm's material | /r/HasProperty | main substance of a cell
Facets:
Source sentences:
text: After the word protoplasm was coined in the mid-19th century for the jellylike material that is the main substance of a cell, it began to be used widely, especially by scientists and others who imagined that the first life-forms must have arisen out of a great seething protoplasmic soup.