Definition of "water-oven" [water-oven]

• In chem., an oven surrounded on all sides but the front or top with a chamber of boiling water or steam, used for drying chemical preparations, etc. (noun)

The Century Dictionary (Public Domain)

• "It was then warmed on a water-oven, kept in a vacuum desiccator over solid paraffin, and the weight estimated."
• "This is then dried in the water-oven, when if any boric acid compound is present, a bright reddish-pink stain is produced on the paper, which is turned blue on moistening with dilute alkali."
• "The last traces of solvent remaining in the flask are removed by gently warming in the water-oven, and the flask cooled and weighed, thus giving the amount of unsaponifiable matter."