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Brownian motion

noun

Definitions

Noun
  1. 1
    Random motion of particles suspended in a fluid, arising from those particles being struck by individual molecules of the fluid. countable, uncountable

    "To summarize, the world is filled with instances of indeterministic Brownian motion, with various biological phenomena having evolved to optimally exploit versions of this randomness. Are we talking free will here?"

  2. 2
    the random motion of small particles suspended in a gas or liquid wordnet
  3. 3
    A state of chaos or disarray. countable, idiomatic, uncountable

    "The sun was hot on my legs. I moved out of the doorway and stood in the room with my thoughts in Brownian motion."

Etymology

Named after Scottish botanist Robert Brown (1773–1858), who investigated the movement of pollen suspended in water.

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