\begin{definition}[Definition:Fahrenheit]
'''Fahrenheit''' is a temperature scale.
Its two reference points are:
: $32 \fahr$, which is set at the melting point of water.
: $212 \fahr$, which is set at the boiling point of water, as defined at sea level and standard atmospheric pressure.
A temperature measured in '''Fahrenheit''' is often referred to as so many '''degrees Fahrenheit'''.
\end{definition}