DICTIONARY ENTRY
7 SYLLABLES
radioactivity
/,reɪdioʊæk'tɪvɪti/ · reɪdioʊæktɪvɪti
Radioactivity has 7 syllables: ra · di · o · ac · tiv · i · ty.
ra
01
di
02
o
03
ac
04
tiv
05
i
06
ty
07
noun. The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.
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