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A Writer's Dictionary:

AU Definition


Dictionary Home » Words Starting with A » attractively ... auld lang syne » AU


astronomical unit
noun
    1. astron.
      The mean distance between the Earth and the Sun, about 149.6 million km (93 million ml), which is used to measure distances within the solar system.



AU
a.u.
abbreviation
    1. Angstrom unit.
    2. Astronomical unit.



Au
symbol
    1. chem.
      Gold.
Etymology: From Latin aurum.



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