pluviography

from The Collaborative International Dictionary of English v.0.48
Pluviography \Plu`vi*og"ra*phy\, n. [L. pluvia rain + -graphy.]
   The branch of meteorology treating of the automatic
   registration of the precipitation of rain, snow, etc.; also,
   the graphic presentation of precipitation data.
   [Webster 1913 Suppl.]
    

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