water ice - water frozen in the solid state; "Americans like ice in their drinks"ice cube - a small cube of artificial ice; used for cooling drinks glacier - a slowly moving mass of ice H2O, water - binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent crystal - a solid formed by the solidification of a chemical and having a highly regular atomic structure black ice - a thin coating of ice (as from freezing mist) on a road or sidewalk; nearly invisible but very hazardous hailstone - small pellet of ice that falls during a hailstorm icicle - a pendent spear of ice formed by the freezing of dripping water |