zeolite

ze·o·lite

noun \ˈzē-ə-ˌlīt\

Definition of ZEOLITE

: any of various hydrous silicates that can act as ion exchangers; also : any of various natural or synthesized silicates of similar structure used in water softening and as adsorbents

—ze·o·lit·ic \ˌzē-ə-ˈlit-ik\ adjective