scintillate

Meaning

  1. (intransitive) To give off sparks; to shine as if emanating sparks; to twinkle or glow.
  2. Of a star or other celestial body: to vary rapidly in brightness; to twinkle.
  3. Especially of a phosphor: to emit a flash of light upon absorbing ionizing radiation.
  4. (intransitive) To dazzle or to impress.
  5. (archaic, transitive) To throw off like sparks.

Pronounced as (IPA)
/ˈsɪn.tɪˌleɪt/
Etymology

Borrowed from Latin scintillātus, past participle of scintillāre (“to sparkle, glitter, gleam, flash”), from scintilla (“a spark”).

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