that generates electricity by converting the energy of moving water, or of steam escaping under high pressure / of or relating to the electricity so produced

An instrument that floats in a liquid and measures its specific gravity on a scale.

a transducer that converts underwater sound waves into electrical signals, rather like a microphone

(physics) The scientific study of fluids at rest, especially when under pressure.

An outlet from a liquid/fluid main often consisting of an upright pipe with a valve attached from which fluid (e.g. water or fuel) can be tapped.

(chemistry) Containing combined water; hydrated.

(obsolete, inorganic chemistry) The compound arsine.

(obsolete, chemistry) Stibine.

(obsolete, chemistry) methane

(chemistry) the process of forming a hydrogen bond