- baking s. SYN: sodium bicarbonate.
- s. lime a mixture of calcium and sodium hydroxides used to absorb carbon dioxide in situations in which rebreathing occurs; e.g., in basal determinations or in certain types of anesthesia circuits.
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so·da (soґdə) a term loosely applied to sodium bicarbonate (baking s.), sodium hydroxide (caustic s.), or sodium carbonate (washing s.).Medical dictionary. 2011.