A temperature scale in which 32° represents freezing and 212° represents the steam point. The scale was devised by Gabriel Daniel Fahrenheit, an 18th-century German physicist. To convert Fahrenheit temperatures to celsius, subtract 32 from the Fahrenheit reading, multiply by 5 and divide by 9.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.