Definition of self-motion in English:

self-motion

Syllabification: self-mo·tion

noun

  • Movement caused by oneself or itself, not by an external action or agent.
    More example sentences
    • Vection illusion is the sensation of self-motion induced by relative movement of viewed objects.
    • Third, although space and time are infinite, matter is spatio-temporally finite, and being endowed only with vis inertiae it has no power of self-motion.
    • Immediately after the cessation of motion stimulation, the observer reports self-motion in the same direction as the previous section.

Derivatives

self-moving

adjective
More example sentences
  • An automata is a self-moving machine, and so is a computer.
  • He also addressed the Hobbesian argument that, since thought is a mode of matter and matter has no self-moving power, there cannot be any freedom of the will.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody