from the GNU version of the Collaborative International Dictionary of English

  • n. Motion given by inherent power, without external impulse; spontaneous or voluntary motion.

from The Century Dictionary and Cyclopedia

  • n. Motion or action due to inward power, without external impulse; spontaneous motion.


Sorry, no etymologies found.


  • Lower animals have, in addition, the powers of sense-perception and self-motion (action).

    Archive 2009-03-01

  • In Quodlibet X of the Advent Session, 1286, Henry returns to the problem of the self-motion of the will, introducing the notion of virtus ad movendum, through which the spiritual faculties

    Hitler's Angel (A Meta Christmas Carol)

  • For Henry the will is characterized by the capacity for self-motion.

    Hitler's Angel (A Meta Christmas Carol)

  • Clarke steadfastly maintained that matter has neither an essential nor an accidental power of self-motion.

    Samuel Clarke

  • In fact, he goes further, and admits self-motion in physical cases as well: for example, a falling object is actively moving towards its goal, and its motion is caused by itself (because it is heavy); so this, too, is an instance of self-motion (Effler 1962).

    Medieval Theories of Causation

  • The will is thus self-determining, rather than determined by its end, and so Scotus affirms self-motion in psychology.

    Medieval Theories of Causation

  • The Motive Forces of the development of society, in a broad sense include social contradictions as an ultimate condition of self-development and self-motion; the progressive activity of social subjects, which resolve these contradictions; the motivation for this activity (needs, interests, etc.)

    Motive forces and the ANC

  • Wherefore it lives and does not differ from a living being, but is fixed and rooted in the same spot, having no power of self-motion.


  • The immanence of things in the Ideas, or the partial separation of them, and the self-motion of the supreme Idea, are probably the forms in which he would have interpreted his own parable.

    The Statesman

  • But this is a complicated issue that was hotly debated in the scholastic era; Scotus, for example, insists that self-motion does violate the principle that everything moved must be moved by another, and so proves it to be false.

    Pure Act

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