carbon dioxide snow

noun

As cold as a cake of carbon dioxide snow, he said, "Can you prove this, Mr. Cornell?"

Carbon-dioxide snow may be employed in the same manner, but the results are inferior to those obtained by radium.

Encouraging results have also been obtained by the application of carbon dioxide snow.

Depressions in the carbon-dioxide snow where the hundred-foot pad-feet of ships' landing-legs had pressed down.

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