Fahrenheit

/'færənhait/
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Definition

  1. Proper noun:

    • A temperature scale: The Fahrenheit scale is a temperature measurement system where water freezes at 32 degrees and boils at 212 degrees under standard atmospheric pressure. It is named after its inventor, Daniel Gabriel Fahrenheit.

  2. Adjective:

    • Relating to the Fahrenheit scale: Used to describe a measurement or value expressed on the Fahrenheit temperature scale.
Usage Examples

  • Proper noun:

    • The weather forecast predicts a high of 75 degrees Fahrenheit today.
    • Fahrenheit is commonly used for everyday temperature measurements in the United States.

  • Adjective:

    • The recipe requires the oven to be preheated to 350 degrees Fahrenheit.
    • A Fahrenheit thermometer showed the temperature outside.
Advanced Usage

  • "degrees Fahrenheit": The standard unit and phrase for expressing a temperature on this scale. The symbol is °F.

    • The average human body temperature is approximately 98.6 degrees Fahrenheit.

  • Historical Context: The Fahrenheit scale was originally defined with 0 °F as the freezing point of a brine solution and 96 °F as the approximate human body temperature. It was later redefined using the freezing and boiling points of water.

Variants and Related Words
  • Celsius (n/adj): The temperature scale where water freezes at 0 degrees and boils at 100 degrees. Also known as centigrade.
  • Kelvin (n/adj): The base unit of thermodynamic temperature in the International System of Units (SI), where 0 K is absolute zero.
Synonyms
  • °F: The symbol for degrees Fahrenheit, used as a shorthand.
    • Set the thermostat to 72°F.
Related Phrases
  • Fahrenheit scale: The full name for the system of measurement.
    • The Fahrenheit scale is less commonly used in scientific contexts than the Celsius scale.
Adjective
  1. of or relating to a temperature scale proposed by the inventor of the mercury thermometer
    • water freezes at 32 degrees Fahrenheit under normal conditions
Noun
  1. German physicist who invented the mercury thermometer and developed the scale of temperature that bears his name (1686-1736)

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