radioactivity

How many syllables in radioactivity?

  7 syllables

Divide radioactivity into syllables:   ra-di-o-ac-tiv-i-ty
How to pronounce radioactivity:   rey-dee-oh-ak-tiv-i-tee
How to say radioactivity:

Cite This Source

Bibliography Citations
MLA   |    APA   |   Chicago Manual Style
"radioactivity." HowManySyllables.com. How Many Syllables, n.d. Web. 12 June 2026.

Learn a New Word

Grammar Quiz
So... you think
you have good grammar?
What rhymes with radioactivity

3 syllables
    4 syllables
    5 syllables
    6 syllables
      7 syllables
        Teachers
        We award $250 every month to
        help teachers
        teach their students.
        Fun Fact
        Only 2 months have 4 syllables:
        January and February
        Grammar
        When should you use
        a comma ( , )?
        Do You Know
        when to use
        Its and It's?

        Parents, Teachers, StudentsDo you have a grammar question?
        Need help finding a syllable count?
        Want to say thank you?