Definition of soda lime
: a mixture of sodium hydroxide and slaked lime used especially to absorb moisture and gases
First Known Use of soda lime
Medical Definition of soda lime
: a granular mixture of calcium hydroxide with sodium hydroxide or potassium hydroxide or both used to absorb moisture and acid gases and especially carbon dioxide (as in gas masks, in the rebreathing technique of inhalation anesthesia, and in oxygen therapy)
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