salt bath

noun

metallurgy a bath of molten salts in which steel can be immersed to soak to a uniform and accurately maintained temperature as part of the process of heat treatment. Different salts are used for different temperatures

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Take a salt bath, by going into the ocean, or in your own tub, using a full pint of common salt.

Tell the Captain that I have spent the day in a salt-bath, and mean to pass the night in my bed.

There are two varieties: I. Soft, cured in brine and still soft and mild after two months inthe salt bath.

To many the daily salt bath is the most delightful feature of the trip.

The salt bath is advised and the time to take it is just before retiring.

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