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QA

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  1. quality assurance.

Q and A

or Q&A

[kyoo uh n ey, uh nd]
noun Informal.
  1. an exchange of questions and answers.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for qa

qa

the internet domain name for
  1. Qatar

QA

abbreviation for
  1. Qatar (international car registration)
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

Word Origin and History for qa

Q and A

also Q & A, 1954, abbreviation of question and answer (itself attested by 1817).

Online Etymology Dictionary, © 2010 Douglas Harper