hy·drau·lics 
(hī-drôlĭks)
(hī-drôlĭks)n. (used with a sing. verb)
The physical science and technology of the static and dynamic behavior of fluids.
- preparatively
- preparator
- preparatorily
- preparatory
- preparatory school
- prepare
- preparedly
- preparedness
- preparer
- prepay
- prepayment
- prepend
- prepense
- prepensely
- preponderance
- preponderancy
- preponderant
- preponderantly
- preponderate
- preponderately
- preponderation
- preposition
- preposition
- pre-position
- prepositional