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AGN

American  

abbreviation

  1. Astronomy. active galactic nucleus.

AGN British  

abbreviation

  1. active galactic nucleus See active galaxy

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.