"sparkling water." YourDictionary, n.d. Web. 08 June 2018. <http://www.yourdictionary.com/sparkling-water>.
sparkling water. (n.d.). Retrieved June 08th, 2018, from http://www.yourdictionary.com/sparkling-water
(plural sparkling waters)
From sparkling + water, said to be sparkling due to the sparkly, glisteny appearance of the carbonation bubbles in the fluid.