Submitted by György Chityil ... on Sat, 01/20/2018 - 00:48 Hierarchy: NounDescription: {{astronomy}} The study (and measurement) of solar radiation using a pyrheliometerNgram: pyrheliometryNgram Text: pyrheliometrySource: WiktionaryIssue: 0Wiktionary tag: astronomyNgram Count: 1
