a.u.
Definition of a.u.
n.
1.
(Astron.)
the
unit
of
length
equal
to
the
mean
distance
of
the
Earth
from
the
sun
,
about
93
million
miles
(
150
million
kiometers
); -
used
almost
exclusively
in
astronomy
,
or
to
describe
astronomical
distances
.
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A son
A speaking acquaintance
A stand of arms
A stick of eels
A straight face
A straight line
A tempo giusto
A true bill
A Visit from St. Nicholas
A wet blanket
A wheel within a wheel
A whited sepulcher
A wild goose chase
A world to see
A year's mind
A-
A-mornings
A-sea
A-tiptoe
A. F. of L.
-a.u.-
AA
AAAS
Aam
Aard-wolf
aardvark
Aaron's rod
Aaronic
AAS
Ab
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Abacinate
Abacination
Abaciscus
Abacist
Aback
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Abaculus
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