Water thermometer

Related to Water thermometer: Galileo thermometer

Wa´ter ther`mom´e`ter

1.(Physics) A thermometer filled with water instead of mercury, for ascertaining the precise temperature at which water attains its maximum density. This is about 39° Fahr., or 4° Centigrade; and from that point down to 32° Fahr., or 0° Centigrade, or the freezing point, it expands.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
For the bath time, your baby will need bath seat, cloths, body wash, shampoo, toys, water thermometer, tub-side kneeler and so forth.