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barley sugar
barley water
barley wine
Barlow knife
barm
barmbrack
barmy
barn (1)
barn (2)
barn dance
barn door
barn owl
barn raising
barnacle
barnacle goose
Barnard’s star
Barnaul
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barn (2)
barn [ baarn ] (plural barns)


noun 
Definition:
 
unit of area: a unit of area equal to 10-28 square meters, used in nuclear physics
[Mid-20th century. <as big as a barn door]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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