hydrogeology

 
Pronunciation: /ˌhʌɪdrəʊdʒɪˈɒlədʒi/

noun

[mass noun]
  • the branch of geology concerned with water occurring underground or on the surface of the earth.

Derivatives

hydrogeological

Pronunciation: /-dʒɪəˈlɒdʒɪk(ə)l/
adjective

hydrogeologist

noun