hydroelectric

As a noun biomass

is the total mass of a living thing or part thereof, such as a cell.

As an adjective hydroelectric is

that generates electricity by converting the energy of moving water.

As a noun petroleum

is petroleum.

As an adjective hydroelectric is

that generates electricity by converting the energy of moving water.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective hydroelectric is

that generates electricity by converting the energy of moving water.

As adjectives the difference between geothermal and hydroelectric

is that geothermal is pertaining to heat energy extracted from reservoirs in the earth's interior while hydroelectric is that generates electricity by converting the energy of moving water.

As adjectives the difference between hydroelectric and hydroelectrical

is that hydroelectric is that generates electricity by converting the energy of moving water while hydroelectrical is hydroelectric.

As adjectives the difference between hydroelectric and nonhydroelectric

is that hydroelectric is that generates electricity by converting the energy of moving water while nonhydroelectric is not hydroelectric.