also: カし
noun
Fahrenheit
Abbreviation of カ氏温度 (Fahrenheit temperature). Used in scientific and everyday contexts to refer to the Fahrenheit scale.
アメリカでは気温を華氏で表すことが多い。
In the United States, temperatures are often expressed in Fahrenheit.
華氏100度は摂氏約37.8度です。
100 degrees Fahrenheit is about 37.8 degrees Celsius.
From 華 (abbreviation of 華倫海, an old transliteration of Fahrenheit) + 氏 (Mr./suffix for a person). The reading かし is the on'yomi of 華氏.