This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One that reacts to a stimulus.

n. Electronics A circuit element, such as a coil, used to introduce reactance.

n. Physics A nuclear reactor.

n. A person who behaves in response to a suggestion, stimulation or some other influence.

n. A structure used to contain chemical or other reactions.

n. A device which uses atomic energy to produce heat.

n. A chemical substance which responds to the presence or contact with another substance.

n. A choking coil.

n. A nuclear reactor.

n. One who or that which reacts; specifically: In electricity, a reactive coil.

n. In experimental psychology, the observer in a reaction experiment; the person who executes a movement in response to a prearranged sensory stimulus.

n. (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements

n. an electrical device used to introduce reactance into a circuit

"The “construction jobs” ‘created’ to build the nuclear reactor *** ARE *** counted as “green jobs” since the reactor is a green source of electricity."

nuclear reactor   

actor    compactor    detractor    factor    refractor    tractor   

generator    warhead    propulsion    boiler    containment    furnace    torpedo    converter    fission    transformer