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barnbrack
barney
barnstorm
barnstorming
barnyard
barnyard effects
barnyard grass
baro-
baroceptor
barogram
barograph
Barolo
barometer
barometric pressure
baron
baron of beef
baronage
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barn (2)
barn [ baarn ] (plural barns)


noun 
Definition:
 
unit of area: a unit of area equal to 10-28 square metres, used in nuclear physics
[Mid-20th century. <as big as a barn door]
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