RBC

1. CanadaabbreviationinitialismbusinessInitialism of Royal Bank of Canada.
2. abbreviationinitialismmediaInitialism of RosBiznesConsulting, a large Russian media group headquartered in Moscow.

   RBC discovered around 120 Facebook, Twitter and Instagram frontgroup accounts with a combined total of 6 million followers and likes.

   2017 November 2, Micah White, “I started Occupy Wall Street. Russia tried to co-opt me”, in The Guardian

   1 more example

   The government started cracking down on small news outlets in 2012 (it had taken over the mass-audience national television channels a decade earlier), but in the past two years the editors of RBC had operated as though they were unaware of the official pressure and pervasive self-censorship.

   2016 May 18, Masha Lipman, “The Demise of RBC and Investigative Reporting in Russia”, in The New Yorker

plural RBCs

1. abbreviationinitialismhematologyInitialism of red blood cell.
2. abbreviationinitialismtrain controlInitialism of radio block centre (integral part of ETCS and the GSM-R communications).