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radioactivity

noun

The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

Quick reference

Word Facts

Word length
13
Starts with
R
Ends with
Y
Contains
AD
Scrabble score
22
CEFR level
C1

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Meaning

Definitions

noun

  1. The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

Similar words

Synonyms

radiation

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