hydro

As an adjective hydro

is hydroelectric.

As a noun hydro

is (uncountable) hydroelectric power.

As a letter h is

the eighth letter of the.

As a symbol h is

(label) symbol for hydrogen.

is likely misspelled.

has no English definition.

As an adjective hydro

is hydroelectric.

As a noun hydro

is hydroelectric power.

In uncountable terms the difference between water and hydro

is that water is a chemical, found at room temperature and pressure as a clear liquid, having the formula H₂O, required by all forms of life on Earth while hydro is hydroelectric power.

As a verb water

is to pour water into the soil surrounding (plants).

As an adjective hydro is

hydroelectric.

As nouns the difference between oxidation and hydro

is that oxidation is the combination of a substance with oxygen while hydro is hydroelectric power.

As an adjective hydro is

hydroelectric.

As nouns the difference between hydro and hydron

is that hydro is (uncountable) hydroelectric power while hydron is (chemistry) any hydrogen cation.

As an adjective hydro

is hydroelectric.

As nouns the difference between hydra and hydro

is that hydra is any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles while hydro is hydroelectric power.

As a proper noun Hydra

is a mythological serpent with seven heads, slain by Hercules as one of his twelve labours. Also called the Lernaean Hydra.

As an adjective hydro is

hydroelectric.