Below are possible answers for the crossword clue Power source.
4 letter answer(s) to power source
ATOM
(nontechnical usage) a tiny piece of anything
(physics and chemistry) the smallest component of an element having the chemical properties of the element
FUEL
a substance that can be consumed to produce energy; "more fuel is needed during the winter months"; "they developed alternative fuels for aircraft"
provide with a combustible substance that provides energy; "fuel aircraft, ships, and cars"
provide with fuel; "Oil fires the furnace"
stimulate; "fuel the debate on creationism"
take in fuel, as of a ship; "The tanker fueled in Bahrain"
7 letter answer(s) to power source
BATTERY
a collection of related things intended for use together; "took a battery of achievement tests"
a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
a series of stamps operated in one mortar for crushing ores
a unit composed of the pitcher and catcher
an assault in which the assailant makes physical contact
group of guns or missile launchers operated together at one place
the heavy fire of artillery to saturate an area rather than hit a specific target; "they laid down a barrage in front of the advancing troops"; "the shelling went on for hours without pausing"
6 letter answer(s) to power source
ENGINE
a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.; "medieval engines of war"
motor that converts thermal energy to mechanical work
something used to achieve a purpose; "an engine of change"
5 letter answer(s) to power source
MOTOR
a nonspecific agent that imparts motion; "happiness is the aim of all men and the motor of all action"
causing or able to cause motion; "a motive force"; "motive power"; "motor energy"
conveying information to the muscles from the CNS; "motor nerves"
machine that converts other forms of energy into mechanical energy and so imparts motion
travel or be transported in a vehicle; "We drove to the university every morning"; "They motored to London for the theater"
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