grayout

/ˈɡreɪˌaʊt/
verb
  1. To lose or dim vision temporarily, or to cause such a loss of vision.
    • If you stand up too quickly, you might grayout briefly.
    • The bright flash grayed out her vision for several seconds.
    • He grayed out for a moment after the long run.
noun
  1. A temporary loss or dimming of vision, often caused by reduced blood flow to the brain (e.g., from standing up too quickly).
    • After standing up too fast, she experienced a grayout and had to sit down.
    • He felt a grayout coming on and grabbed the railing to steady himself.
    • The pilot reported a grayout during the sharp turn due to G-forces.
  2. A temporary reduction or interruption in electrical power, less severe than a blackout.
    • The storm caused a grayout that dimmed the lights for a few seconds.
    • The flickering lights signaled a grayout, but the power never fully went out.
    • During the heatwave, the city experienced a grayout as demand for electricity surged.
Synonyms
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