| the solid form of carbon dioxide, which sublimes at −109.26°F (−78.48°C) and is used chiefly as a refrigerant. |
| dry ice n. Solid carbon dioxide that sublimates at -78.5°C (-110°F) and is used primarily as a coolant. [Originally a trademark.] |
| dry ice
Solid carbon dioxide. Dry ice evaporates without first passing through a liquid state by sublimation except under moderate pressure (more than 73 atmospheres). It is used for refrigeration and for creating artificial smoke or fog effects. |