hy·drau·lic 
(hī-drôlĭk)
(hī-drôlĭk)adj.
1. Of, involving, moved by, or operated by a fluid, especially water, under pressure.
2. Able to set and harden under water, as Portland cement.
3. Of or relating to hydraulics.
[Latin hydraulicus, from Greek hudraulikos, from hudraulis, water organ : hudro-, hudr-, hydro- + aulos, pipe, flute.]
hy·drauli·cal·ly adv.
- Indo-European root: ghrēi-
- Indo-European root: ghwer-
- Indo-European root: ghwībh-
- Indo-European root: ghē-
- Indo-European root: gleubh-
- Indo-European root: gnō-
- Indo-European root: gr̥ə-no-
- Indo-European root: gwei-
- Indo-European root: gwelə-
- Indo-European root: gwen-
- Indo-European root: gwerə-
- Indo-European root: gwerə-
- Indo-European root: gwet-
- Indo-European root: gwhedh-
- Indo-European root: gwhen-
- Indo-European root: gwher-
- Indo-European root: gwhren-
- Indo-European root: gwhrē-
- Indo-European root: gwhī-
- Indo-European root: gwou-
- Indo-European root: gwā-
- Indo-European root: gāu-
- Indo-European root: i-
- Indo-European root: kad-
- Indo-European root: kai-