Word Pronunciation & Dictionary

Questions

What does hailstone number mean?
Any number appearing in a sequence described by the Collatz conjecture.
Where does hailstone number come from?
The numbers are likened to hailstones because they "bounce" up and down before settling.

How to pronounce hailstone number

  1. Open the pronunciation page — Open the Speakur entry for “hailstone number”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “hailstone number”.
  4. Repeat and practice — Say “hailstone number” aloud, matching stress and vowels until it feels natural.