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The Best Internet Slang

ach

[ahkh] /ɑx/
interjection, German.
1.
alas; oh.

ACH

1.
automated clearinghouse.

ACh

Biochemistry.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for ach
Historical Examples
  • "ach, no," said he humbly; for he could not look upon my face and hold his anger.

    The Bacillus of Beauty Harriet Stark
  • "ach, Frulein, please do not leave us—and the fire," he added; for Dorothy had risen.

    Roden's Corner Henry Seton Merriman
  • Mrs. Hermann would glance at me quickly, emit slight "ach's!"

    Falk Joseph Conrad
  • "ach, no," chimed in husband and wife together as soon as they understood.

    Brother Copas

    Sir Arthur Thomas Quiller-Couch
  • Now, if you will follow me a few paces to ze right, here… ach!

    Brother Copas

    Sir Arthur Thomas Quiller-Couch
  • "ach, yes, I go always," with a surprised widening of the blue eyes.

    Patchwork Anna Balmer Myers
  • I wonder if I was a nice baby—but, ach, all babies are nice.

    Patchwork Anna Balmer Myers
  • ach, Barbara, mebbe we did that when we were young and foolish, but we didn't act like this.

    Patchwork Anna Balmer Myers
  • "ach, we're well," Aunt Maria had to answer, Phœbe remaining speechless.

    Patchwork Anna Balmer Myers
  • ach, it's just that you like to be out, out all the time that makes you so contrary, I guess.

    Patchwork Anna Balmer Myers
British Dictionary definitions for ach

ach

/ɑːx/
interjection
1.
(Scot) an expression of surprise, impatience, disgust, etc Also och
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ach
interj.

aspirated form of ah; in English often used to represent German or Celtic speech.

Online Etymology Dictionary, © 2010 Douglas Harper
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ach in Medicine

Ach abbr.
acetylcholine

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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