nephanalysisyoudaoicibaDictYouDict[nephanalysis 词源字典]
"Analysis of the amounts and kinds of cloud present over an area, now usually based on satellite images; a map or chart showing the results of such an analysis", 1940s. From ancient Greek νέϕος cloud + analysis. Compare nephsystem and earlier nephology.[nephanalysis etymology, nephanalysis origin, 英语词源]