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A brief explanation of a term, word or name related to outdoor activities. Click on the links to get more information.
MSD - These letters stand for Mean Solar Day; this is the average of the duration of sunlight on a day, starting at dawn and until dusk; it is an artificial measure created to correct the problems created by the AST or apparent solar transit.
Bibliography - Books and other publications related to the term MSD.
Origin of the term - Navigation, cartography.
Phonetics - This term is phonetically described or pronounced as: Literal.
Synonyms - Related words or with the same meaning: MST, ASD.
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