Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One of the small particles or organic molecules of protoplasm.

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the small particles or organic molecules of protoplasm.

from The Century Dictionary and Cyclopedia

  • n. A molecule of protoplasm; chemically, the smallest mass of protoplasm which can exist as such, or the very complex and highly unstable molecule of the chemical substance protein, when invested with vital activities.

Etymologies

plastid +‎ -ule (Wiktionary)

Examples

  • The "plastidule-soul" and the potentialities of carbon may be sound scientific conceptions, or they may be the reverse, but they are no necessary part of the doctrine of evolution, and I leave their defence to Professor Haeckel.

    Freie wissenschaft und freie lehr. English

  • Nay, surely even Professor Virchow's "dearest foes," the "plastidule soul" and "Carbon & Co.," have more to say for themselves, than the linguistic accomplishments of Balaam's ass and the obedience of the sun and moon to the commander of a horde of bloodthirsty Hebrews!

    Freie wissenschaft und freie lehr. English

  • If we agree to call this active substance plasson, and its molecules plastidules, we may say that the individual physiological character of each of these cells is due to its molecular plastidule-movement.

    The Evolution of Man — Volume 1

  • All plastidules possess memory; and Memory which we see in its ultimate analysis is identical with reproduction, is the distinguishing feature of the plastidule; is that which it alone of all molecules possesses, in addition to the ordinary properties of the physicist's molecule; is, in fact, that which distinguishes it as vital.

    Evolution, Old & New Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck, as compared with that of Charles Darwin

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