A unit of temperature equal to one-thousandth of a degree(noun)
WordNet. Princeton University. 2010.
Use "millidegree" in a sentence
"We had drifts of half a millidegree per hour continuing for weeks even though the thermistors were kept at a stable temperature."
"I am currently doing millidegree temperature control of navigation instruments and I am finding more error sources than I ever imagined. steven mosher"
"The basic relevant facts are that carbon emissions are not the principal, nor even a measurable, factor in global warming, and despite dire forecasts and ever-increasing carbon emissions in the world - especially as the economies of China and India, representing 40 percent of the world's population, expand by 6 to 10 percent each year - the world has not grown a millidegree warmer since the start of this millennium."