dark flow

English

Etymology 1

From dark (“hidden”) +‎ flow. From the motion of galaxy clusters due to a hidden influence, possibly from beyond the horizon of the observable universe.

Noun

dark flow (countable and uncountable, plural dark flows)

  1. (astrophysics) A possible non-random component of the peculiar velocity of galaxy clusters.

See also

Etymology 2

From dark (“sinister”) +‎ flow (“state of focus”).

Noun

dark flow (uncountable)

  1. (gambling, psychology) A state of flow experienced in gambling, especially by slot machine players; a state of intense focus and absorption on gambling.
    • 2019, Mike J. Dixon, Jeffrey Gutierrez, Madison Stange, Chanel J. Larche, Candice Graydon, Sonia Vintan, Tyler B. Kruger, “Mindfulness Problems and Depression Symptoms in Everyday Life Predict Dark Flow During Slots Play: Implications for Gambling as a Form of Escape”, in Psychology of Addictive Behaviors, →DOI:
      We propose that players who experience dark flow have difficulty staying on task in everyday life, but, the reinforcing sights and sounds of slot machines rein in these otherwise wandering minds and induce these flow-like states
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