Is “Radioactivity” a Scrabble word?

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Yes
RADIOACTIVITY
Valid in at least one Scrabble dictionary

Valid in these dictionaries

SOWPODS / CSW
Scrabble UK & International
Valid
TWL / NWL
Scrabble North America
Valid
Large English Dictionary
General English word list
Unavailable

Meaning of Radioactivity

noun

  1. 1.Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.

  2. 2.The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc.

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