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barn    音标拼音: [b'ɑrn]
n. 仓库,谷仓,牲口棚

仓库,谷仓,牲口棚

barn
n 1: an outlying farm building for storing grain or animal feed
and housing farm animals
2: (physics) a unit of nuclear cross section; the effective
circular area that one particle presents to another as a
target for an encounter [synonym: {barn}, {b}]

Barn \Barn\ (b[aum]rn), n. [OE. bern, AS. berern, bern; bere
barley ern, [ae]rn, a close place. [root]92. See {Barley}.]
A covered building used chiefly for storing grain, hay, and
other productions of a farm. In the United States a part of
the barn is often used for stables.
[1913 Webster]

{Barn owl} (Zool.), an owl of Europe and America ({Aluco
flammeus}, or {Strix flammea}), which frequents barns and
other buildings.

{Barn swallow} (Zool.), the common American swallow ({Hirundo
horreorum}), which attaches its nest of mud to the beams
and rafters of barns.
[1913 Webster]


Barn \Barn\, v. t.
To lay up in a barn. [Obs.] --Shak.
[1913 Webster]

Men . . . often barn up the chaff, and burn up the
grain. --Fuller.
[1913 Webster]


Barn \Barn\, n.
A child. See {Bairn}. [Obs.]
[1913 Webster]

barn: n. [uncommon; prob. from the nuclear military] An unexpectedly large
quantity of something: a unit of measurement. “Why is /var/adm
taking up so much space?” “The logs have grown to several
barns.” The source of this is clear: when physicists were first
studying nuclear interactions, the probability was thought to be
proportional to the cross-sectional area of the nucleus (this probability
is still called the cross-section). Upon experimenting, they discovered
the interactions were far more probable than expected; the nuclei were
as big as a barn”. The units for cross-sections were
christened Barns, (10-24
cm2) and the book containing cross-sections has
a picture of a barn on the cover.

Barn
a storehouse (Deut. 28:8; Job 39:12; Hag. 2:19) for grain, which
was usually under ground, although also sometimes above ground
(Luke 12:18).



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