Fahrenheit a. : Conforming to the scale used by Gabriel Daniel Fahrenheit in the graduation of his thermometer; of or relating to Fahrenheit's thermometric scale.

Fahrenheit n. : The Fahrenheit termometer or scale.

Example:
What are the laws regarding Fahrenheit and celsius tempartures?

Taxonomy
Fahrenheit, scale, Fahrenheit scale, intervals, thermometer, Celsius, degree Fahrenheit, temperature scale, Celsius scale, free encyclopedia, mixture, boils, symbol, Fahrenheit temperature scale, non-scientific, Fahrenheit temperature, boiling point, freezing point.

Defination from the web:
Fahrenheit scale is 1⁄180 of the interval between the freezing point and the boiling point. ... A temperature interval of 1 degree Fahrenheit is equal to an interval of 5⁄9 degrees Celsius. The Fahrenheit and Celsius scales converge at 40 degrees (i.e. 40 °F and 40 °C ...