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Definition of
'half-life'
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half-life'
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1.
(noun)
half life
,
half-life
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)
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"half-life."
Definitions.net
. STANDS4 LLC, 2008. 22 November. 2008.
http://www.definitions.net/definition/half-life
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Definition of 'half-life'
