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| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| ice point | |
| —n | |
| Compare steam point the temperature at which a mixture of ice and water are in equilibrium at a pressure of one atmosphere. It is 0° on the Celsius scale and 32° on the Fahrenheit scale | |
| ice point
The temperature, equal to 0°C (32°F), at which pure water and ice coexist in equilibrium at 1 atmosphere of pressure. |