adjective Etymology: hydr- + -onic (as in electronic) Date: 1946 of, relating to, or being a system of heating or cooling that involves transfer of heat by a circulating fluid (as water or vapor) in a closed system of pipes, ~ally adverb
HYDRONIC
Meaning of HYDRONIC in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012