
1) Measurement
Found on
https://www.crosswordclues.com/clue/radiometry

In optics, radiometry is a set of techniques for measuring electromagnetic radiation, including visible light. Radiometric techniques characterize the distribution of the radiation`s power in space, as opposed to photometric techniques, which characterize the light`s interaction with the human eye. Radiometry is distinct from quantum techniques .....
Found on
http://en.wikipedia.org/wiki/Radiometry

• (n.) The use of the radiometer, or the measurement of radiation.
Found on
http://thinkexist.com/dictionary/meaning/radiometry/

The detection and measurement of radiant electromagnetic energy, usually in the infrared.
Found on
http://www.braeunig.us/space/glossary.htm

measurement of the quantities associated with radiant energy NOTE - See note to 845-05-09.
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-05-05

The measurement of radiation by photography, as in X-ray film and film badge, by geiger-mueller tube, and by scintillation counting. ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973
Ra`di·om'e·try noun (Physics) The use of the radiometer, or the measurement of radiation. --
Ra`di*o*met'ric adjective Found on
http://www.encyclo.co.uk/webster/R/4

The science of radiation measurement. The detection and measurement of radiant energy either at specific wavelengths or band passes or as a function of wavelength over a broad spectrum. The measurement of the interaction of light with matter as to absorption, transmission, and reflectance.
Found on
http://www.intl-lighttech.com/support/glossary

radiometry Related 'measure' and 'metric' words and charts: mens-; Metric Chart of Units; Metric-Length Converter; Metric Units and Links.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1302/34
No exact match found.