What is called fixed point? October 10, 2024July 7, 2020 by Admin To define a temperature scale, two reference temperatures are chosen, these two temperatures are called the fixed points. Related Posts:Heat and TemperatureMelting and BoilingTypes of thermometerChanging of states of matter- Solid, Liquid and GasesHeat, Temperature and Internal EnergyWhat is the best eevee evolution?