Hydra

white crystalline compound that occurs naturally as the mineral gibbsite

Hydra

white crystalline compound that occurs naturally as the mineral gibbsite

Hydra

a caustic substance (Ca(OH)2) produced by heating limestone

Hydra

a compound of an oxide with water

Hydra

the process of combining with water

Hydra

of or relating to the study of hydraulics

Hydra

moved or operated or effected by liquid (water or oil)

Hydra

brake system in which a brake pedal moves a piston in the master cylinder

Hydra

a cylinder that contains brake fluid that is compressed by a piston

Hydra

brake system in which a brake pedal moves a piston in the master cylinder

Hydra

a cement that hardens under water

Hydra

the branch of civil engineering dealing with the use and control of water in motion