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From Longman Dictionary of Contemporary English
Related topics: Biology
protoplasmpro‧to‧plas‧m /ˈprəʊtəplæzəm $ ˈproʊ-/ noun [uncountable]  technicalHB the colourless substance that forms the cells of plants and animals
Examples from the Corpus
protoplasmJust a smear of protoplasm, another speck on the biological scrap heap.Not only humans, of course, but also plants, animals, trees ... even raw protoplasm.
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