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Meaning of BRITISH THERMAL UNIT
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Definition:
[n]
a
unit
of
heat
equal
to
the
amount
of
heat
required
to
raise
one
pound
of
water
one
degree
Fahrenheit
at
one
atmosphere
pressure
;
equivalent
to
251.997
calories
Synonyms:
B.Th.U.
,
BTU
See Also:
energy unit
,
heat unit
,
therm
,
work unit
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