Ma'anar ƙamus na kalmar "ruwan carbonated" yana nufin ruwan da aka cusa da iskar carbon dioxide a ƙarƙashin matsin lamba, wanda ya haifar da samuwar ƙananan kumfa kuma ya sa ruwan ya zama mai banƙyama ko fizzy. Hakanan ana san shi da ruwan soda, ruwa mai kyalli, ruwan seltzer, ko kuma kawai ruwan carbonated. Ana amfani da irin wannan nau'in ruwa a matsayin mahaɗa don hadaddiyar giyar ko kuma cinye shi azaman abin sha mai daɗi da kansa.