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steam point

noun
  1. the temperature at which water vapor condenses at a pressure of one atmosphere, represented by 100°C and 212°F.
Compare ice point.

Origin of steam point

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for steam point

steam point

noun
  1. the temperature at which the maximum vapour pressure of water is equal to one atmosphere (1.01325 × 10 5 N/m²). It has the value of 100° on the Celsius scaleCompare ice point
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012