Usually means: Institutional Review Board, ethics oversight.
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We found 19 dictionaries that define the word irb:

General (7 matching dictionaries)
  1. irb: Wordnik
  2. IRB: Wiktionary
  3. IRB: Infoplease Dictionary
  4. IRB: Dictionary.com
  5. IRB, Irb: Wikipedia, the Free Encyclopedia
  6. IRB: Stammtisch Beau Fleuve Acronyms
  7. I.R.B: Dictionary of Phrase and Fable (1898)

Business (3 matching dictionaries)
  1. MoneyGlossary.com (No longer online)
  2. IRB, IRB: Bloomberg Financial Glossary
  3. IRB: Financial dictionary

Medicine (6 matching dictionaries)
  1. IRB: MedTerms.com Medical Dictionary
  2. AIDSinfo Glossary (No longer online)
  3. AIDS Medical Glossary and Drug Chart (No longer online)
  4. IRB: Dictionary of Cancer Terms
  5. IRB: Medical dictionary
  6. IRB: Drug Medical Dictionary

Miscellaneous (2 matching dictionaries)
  1. IRB: Acronym Finder
  2. AbbreviationZ (No longer online)

Slang (1 matching dictionary)
  1. IRB: Urban Dictionary

Definitions from Wiktionary (IRB)

noun:  Initialism of institutional review board, a committee that reviews the designs of proposed experiments to confirm whether all the methods proposed are ethical.
noun:  Initialism of investment review board, a committee of business executives who review investment choices, comparing against strategy and opportunity costs.
noun:  Initialism of internal review board, an internal affairs division of a police department.
adjective:  (finance) Initialism of internal ratings-based approach
noun:  (historical) Initialism of Irish Republican Brotherhood, a secret organisation dedicated to the establishment of an "independent democratic republic" in Ireland between 1858 and 1924.
noun:  (rugby, historical) Initialism of International Rugby Board, the name used by World Rugby, the worldwide governing body for rugby union, from 1998 to 2014.

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bir, rib, bri, rbi

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bir, rib, bri, rbi

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