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R.I.B.A.

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  1. Royal Institute of British Architects.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for riba

riba

noun
  1. (in Islam) interest or usury, as forbidden by the Koran
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Word Origin

C21: from Arabic al-Riba, literally: to excess or increase

RIBA

abbreviation for
  1. Royal Institute of British Architects
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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