IPA: /haɪˈdrɒnɪk/
KK: /haɪˈdrɒnɪk/
Relating to a system that heats or cools by moving a fluid, like water, through pipes.
The hydronic heating system kept the entire house warm during the winter.
Hydronic is formed from "hydro-" (from Greek "hydor", meaning water) and "-nic" (a suffix used in forming adjectives). The word refers to systems or technologies that utilize water for heating or cooling.
Think of 'water' ('hydro-') being used in systems, which helps you remember that 'hydronic' relates to water-based heating or cooling.