Definition of "idioplasm" [id•i•o•plasm]

• Alternative form of idioplasma. (noun)

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• "By division of the fertilized egg into cells, the idioplasm would be - come distributed to every new cell and give to each its hereditary character."
• "It was August Weismann, once a student of Nägeli, who undertook the task of properly relating Nägeli's concept of the idioplasm to the recent developments of cytology."
• "Evolution was thought to take place through changes in the idioplasm, changes going on continuously and impelled by some inherent force toward inevitable change."