# hydrogeology

> English word · Noun · frequency rank #97,126

## Definitions
1. The geology of groundwater, especially concerning the physical, biological and chemical properties of its occurrence and movement.

## Etymology
From hydro- + geology.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hydrogeology