Main Entry:

hy·dron·ic

Pronunciation:

\hī-ˈdrä-nik\

Function:

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

— hy·dron·i·cal·ly \-ni-k(ə-)lē\ adverb