actinometry
ac·ti·no·metry
noun
1.
measuring the intensity of electromagnetic radiation (especially of the sun''s rays)
Origin
From actino- + -metry.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.