Energy and Power: English Vocabulary List

a machine that produces electricity by converting mechanical energy into electrical energy

"The generator stopped working again."

"When the power went out during the hurricane the hospital turned on its emergency backup generator."

a closed vessel in which water is heated to create steam or hot water, used for heating buildings, producing electricity, or powering machines

"The boiler heats the building."

"The old boiler in the basement finally broke down, so they had to install a new one before winter."

unrefined petroleum extracted from underground reservoirs before processing

"The price of crude oil rose."

"Many countries depend heavily on crude oil exports to support their national economies and fund public services."