Definition of "wash-bottle" [wash-bottle]

• In chem., a flask provided with a stopper and tubes so arranged that by blowing with the mouth the water or other liquid in the flask may be forced out in a small stream for washing chemical preparations and utensils. (noun)
• A bottle partly filled with water or other washing fluid through which gases are passed to purify them. (noun)

The Century Dictionary (Public Domain)

• "Whether a union joint is provided or not, let it be seen that the end of the delivery tube is either small enough to fit a large rubber tube connection going to the wash-bottle, or large enough to allow of a cork carrying a bit of glass tube for the same purpose to be inserted."
• "Ten minutes later connect up the desiccator to a sulphuric acid wash-bottle interposing an air filter so that only dry sterile air enters."
• "Wulff's bottle, fitted as wash-bottle, and containing sulphuric acid (to act as a safety valve between filter and pump)."