To give off sparks; to shine as if emanating sparks; to twinkle or glow.
Of a star or other celestial body: to vary rapidly in brightness; to twinkle.
Do the stars scintillate at all altitudes? Is there any altitude at which it ceases to manifest itself? At Morges the stars in general scintillate at all altitudes, although feebly near the zenith; but on the nights when the scintillation is very faint, it ceases completely at a zenith distance of 45°.
Especially of a phosphor: to emit a flash of light upon absorbing ionizing radiation.
Borrowed from Latin scintillātus, past participle of scintillāre (“to sparkle, glitter, gleam, flash”), from scintilla (“a spark”).
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