as many

as many idiom
  1. The same number of. For example, He changed jobs four times in as many years means he changed jobs four times in four years. [c. 1400]
  2. as many as. A phrase used to qualify the meaning of many as a very large number, depending on what follows it. For example, You can take as many pens as you need. [Late 1300s] Also see as ... as; as much as.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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