Measurement Units: Fahrenheit

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Measurement Units: Fahrenheit

Post by Kangas on Thu Apr 10, 2014 10:21 am

Unit: Fahrenheit

Symbol: °F

Countries where it's used:Bahamas, Belize, Cayman Islands, Palau, U.S. (Puerto Rico, Guam, U.S. Virgin Islands)

Fahrenheit is a temperature scale proposed in 1724 by physicist Daniel Gabriel Fahrenheit. Originally the defining point of the scale was the lowest temperature to which we could reproducibly cool brine (defined as 0 degrees) and the highest would be the average human core body temperature (defined as 100 degrees). There's a lot of theories involving this scale, some of which were presumed lost or exaggerated over the years.

Currently the scale is defined by 2 fixed points: the temperature at which water freezes into ice (32 degrees) and its boilling point (212 degrees). It is a 180-degree separation, defined at sea level and at a standard atmospheric pressure.

By the end of the 20th century most countries used Celsius Scale rather than Fahrenheit, however there's still a few countries that still use it.

[°C] = ([°F] - 32) x 5/9

Updated Words Team

Source: Wikipedia - English

*Por favor visite a nossa Secção "Portuguese", para ler a versão portuguesa deste artigo. Muito obrigada.

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