So, when you see "hydro" in a word, it usually refers to something related to water.
Here are some examples:
* Hydroelectric: Generating electricity from the power of moving water.
* Hydrophobic: Repelling water.
* Hydrophilic: Attracting water.
* Hydroponics: Growing plants in a water-based solution.
* Hydrometer: A device for measuring the specific gravity of liquids.
Let me know if you have any other words with "hydro" you'd like to understand!
