Also found in: Thesaurus, Encyclopedia.


Any of several radiometric instruments, such as a pyrheliometer, used chiefly for meteorological measurements of terrestrial and solar radiation.

ac′ti·no·met′ric (-nō-mĕt′rĭk), ac′ti·no·met′ri·cal adj.
ac′ti·nom′e·try n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.actinometric - of or related to actinometryactinometric - of or related to actinometry  
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Report to the international commission for solar research on actinometric investigations of solar and atmospheric radiation," Quarterly Journal of the Royal Meteorological Society, vol.
The AT-50 actinometers, continuously in use in actinometric networks in the territory of the former USSR, have the full field of view, FOV = 10[degrees].
Therefore more detailed background data on the annual value of the underlying surface radiation balance for actinometric stations were used.
(2004); methods, procedures, and new actinometric substances that have been proposed were summarized, and potential errors in chemical actinometry were discussed in detail in that report.