Source : Webster's Revised Unabridged Dictionary (1913)

Scintillant \Scin"til*lant\, a. [L. scintillans, p. pr. of
   scintillare to sparkle. See {Scintillate}.]
   Emitting sparks, or fine igneous particles; sparkling. --M.
   Green.

Source : WordNet®

scintillant
     adj : having brief brilliant points or flashes of light; "bugle
           beads all aglitter"; "glinting eyes"; "glinting water";
           "his glittering eyes were cold and malevolent"; "shop
           window full of glittering Christmas trees"; "glittery
           costume jewelry"; "scintillant mica"; "the
           scintillating stars"; "a dress with sparkly sequins";
           "`glistering' is an archaic term" [syn: {aglitter(p)},
           {coruscant}, {fulgid}, {glinting}, {glistering}, {glittering},
            {glittery}, {scintillating}, {sparkling(a)}, {sparkly}]