From Longman Dictionary of Contemporary Englishprotoplasmpro‧to‧plas‧m /ˈprəʊtəplæzəm $ ˈproʊ-/ noun [uncountable] technicalHB the colourless substance that forms the cells of plants and animals
Examples from the Corpus
protoplasm• Just a smear of protoplasm, another speck on the biological scrap heap.• Not only humans, of course, but also plants, animals, trees ... even raw protoplasm.Origin protoplasm (1800-1900) German protoplasma, from Late Latin plasma; → PLASMA 