noun
water ice; frozen water
Technical or formal term for ice made from water, as opposed to other frozen substances. Often used in scientific contexts or to distinguish from 氷 (こおり), the common word for ice.
See also: 氷 (こおり)
水氷は、水が凍ってできた氷のことです。
Water ice is ice formed by the freezing of water.
この実験では、純粋な水氷の結晶を観察します。
In this experiment, we observe crystals of pure water ice.