- 40

The temperature at which the Celcius and Fahrenheit scales are equivalent. From this point the two scales diverge with 5 degrees Celcius equalling 9 degrees Fahrenheit. Also very cold.

Synonyms for - 40

On this page, you will find 30 slang terms related to - 40. Some of the top words include: chilly, nippy noodles, Venus, nithered, Berrrrrrrr, and 25 more.