Synonym: flash, glimmer, glisten, glitter, shimmer, shine, twinkle. Similar words: sparkling, spark, darkling, sparse, park, sparrow, spartan, parka. Meaning: ['spɑrkl /'spɑːkl] 
n. 1. merriment expressed by a brightness or gleam or animation of countenance 2. the occurrence of a small flash or spark 3. the quality of shining with a bright reflected light. v. 1. reflect brightly 2. be lively or brilliant or exhibit virtuosity 3. emit or produce sparks 4. form bubbles.
n. 1. merriment expressed by a brightness or gleam or animation of countenance 2. the occurrence of a small flash or spark 3. the quality of shining with a bright reflected light. v. 1. reflect brightly 2. be lively or brilliant or exhibit virtuosity 3. emit or produce sparks 4. form bubbles. (121) Ask your landscaper how a glass block wall can bring light and sparkle to a heavily shaded garden.
(122) Total internal reflection is responsible for rainbows, atmospheric halos , the sparkle of a diamond, and the path of light through optical fibres.
(123) Furthermore, since this sparkle noise existed during the read-out gradient period, it must be eliminated in order to reduce image artifacts.