half life

Questions

What does half life mean?

the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)

How to pronounce half life

1. Open the pronunciation page — Open the Speakur entry for “half life”.
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 “half life”.
4. Repeat and practice — Say “half life” aloud, matching stress and vowels until it feels natural.