Synonyms of the word

radioactivity

• n. Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the…
• n. The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc.

emission

• n. That which is emitted or sent out; issue.
• n. The act of sending or throwing out; the act of sending forth or putting into circulation.

radiation

• n. The shooting forth of anything from a point or surface, like diverging rays of light.
• n. The process of radiating waves or particles.
• n. The transfer of energy via radiation (as opposed to convection or conduction).
• n. Radioactive energy.