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HALF LIFE

Pronunciation (US):

Dictionary entry overview: What does half life mean?

• HALF LIFE (noun)
The noun HALF LIFE has 1 sense:

1. 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)

Familiarity information: HALF LIFE used as a noun is very rare.

Dictionary entry details

• HALF LIFE (noun)

Sense 1

half life ^{[BACK TO TOP]}

Meaning:

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)

Classified under:

Nouns denoting time and temporal relations

Synonyms:

half life; half-life

Hypernyms ("half life" is a kind of...):

period; period of time; time period (an amount of time)

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