- Main Entry:
- hy·drau·lics

- Pronunciation:
-
\hī-ˈdrȯ-liks\
- Function:
- noun plural but singular in construction
: a branch of science that deals with practical applications (as the transmission of energy or the effects of flow) of liquid (as water) in motion
—
hy·drau·lic \-lik\
adjective