Aqua vs. Hydro — What's the Difference?

Water.

Hydroelectric power.

An aqueous solution.

A hydroelectric power plant.

A light bluish green to light greenish blue.

Hydroelectric.

(inorganic compound) The compound water.

Hydroelectric

A shade of colour, usually a mix of blue and green similar to the colour turquoise.

Hydroponic

Of a greenish-blue colour.

(uncountable) hydroelectric power

Water; - a word much used in pharmacy and the old chemistry, in various signification, determined by the word or words annexed.

Electrical power supply; specifically, electrical power provided by a utility (as a publicly-owned one); payment or bills for this.

A shade of blue tinged with green

A spa.

Abbreviation of hydroaeroplane

Alternative form of hydro-

A hydro-aëroplane.

Hydroelectric power; - also used attributively.