Definitions

1. adjective

relating to or caused by water

“The hydrotical conditions in the flooded city were severe.”

2. noun

a person who studies or deals with water or the properties of water

“The hydrotical engineer was called to design a new water treatment system.”

3. adjective

relating to or involving the use of water, especially in a technical sense

“The hydrotical systems in the new building were designed to conserve water.”