Noun
The estimation of temperature by the use of a thermometric apparatus.
Source: Webster's dictionaryThe whole science of heat is founded Thermometry and Calorimetry, and when these operations are understood we may proceed to the third step, which is the investigation of those relations between the thermal and the mechanical properties of substances which form the subject of Thermodynamics. James Clerk Maxwell
At temperatures around about 4 °C, water does not have the property (3), and is said to behave anomalously in this respect; thus water cannot be used as a material for this kind of thermometry for temperature ranges near 4 °C. Source: Internet
Consequently, they are suitable thermometric materials, and that is why they were important in the development of thermometry. Source: Internet
In a sense then, radiometric thermometry might be thought of as "universal". Source: Internet
Radiometric thermometry, in contrast, can be only slightly dependent on the constitutive relations of materials. Source: Internet