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radioactive decay

Noun CEFR B2

Definitions

Any of several processes by which unstable nuclei emit subatomic particles and/or ionizing radiation and disintegrate into one or more other nuclei.

countable, uncountable

Equivalents

7 more languages

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

radioactive disintegration radioactive equilibrium radioactive fallout radioactive tracer radioactive waste Radioactively

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