Defenition of the word half-life

• Defenition of the word half-life

  • The time required for one-half the atoms of a given amount of radioactive material to undergo radioactive decay.
  • 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)

Hypernyms for the word half-life

• • period
  • period of time
  • time period

See other words

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