What is the meaning of Scintillate?

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.

Especially of a phosphor: to emit a flash of light upon absorbing ionizing radiation.

To throw off like sparks.

second-person plural present and imperative of scintillare

second-person plural present active imperative of scintillō

Source: wiktionary.org