from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The science that deals with the geographical distribution of rain.
from the GNU version of the Collaborative International Dictionary of English
- n. The branch of physical science which treats of the geographical distribution of rain.
from The Century Dictionary and Cyclopedia
- n. The art of showing the distribution of rain; that branch of meteorology which ascertains and exhibits in charts, etc., the rainfall of different localities in a given time.
Ancient Greek (Wiktionary)