Meaning of hydrometeorology

hy•dro•me•te•or•ol•o•gy

Pronunciation: (hī"dru-mē"tē-u-rol'u-jē), [key]
— n.
  1. the study of atmospheric water, esp. precipitation, as it affects agriculture, water supply, flood control, power generation, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.