Scintillate \Scin"til*late\, v. i. [imp. & p. p. Scintillated; p. pr. & vb. n. Scintillating.]

[L. scintillare, scintillatum, from scintilla a spark. Cf. Stencil.]

1. To emit sparks, or fine igneous particles.

As the electrical globe only scintillates when rubbed against its cushion. --Sir W. Scott.

2. To sparkle, as the fixed stars.

Source: Webster's Revised Unabridged Dictionary (1913)