Ice is the solid form of water, formed at temperatures below 0 °C. Comets consist mostly of ice. (TNG: "Masks"; ENT: "Breaking the Ice")
Ice can be used for medicinal purposes, notably to reduce swelling. (VOY: "Heroes and Demons"; DS9: "Badda-Bing, Badda-Bang")
It can also be used for cooling drinks such as martinis. (TOS: "The Cage")
An "icicle" is a spike of ice formed from the freezing and thawing of falling water. Intendant Kira once told Benjamin Sisko that she knew of Breen icicles were warmer than Jennifer Sisko. (DS9: "Shattered Mirror")
The entity Q used his powers and "iced" first Lieutenant Torres and later Natasha Yar. Both were recovered a short time later. (TNG: "Encounter at Farpoint")
See also
- Ice cream, a dessert made from frozen milk
- Snow
- Victor Ice Company, a 20th century business establishment