Home 7-syllable words radioactivity
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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