half-life
English Dictionary
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Letter H
-> half-life
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half-life Definition
(n)
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
)
half-life Synonyms
half life
half-life
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