water thermometer Meaning, Definition & Usage
Wa"ter ther*mom"e*ter
Definitions
(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.
