| Acronym | Definition |
|---|
| RCAI➣Résultat Courant Avant Impôt (French: Earnings before Tax) |
| RCAI➣Research Center for Allergy and Immunology (Japan) |
| RCAI➣Restorative Care of America, Inc. |
| RCAI➣Railroadiana Collectors Association, Incorporated |
| RCAI➣Ricinus Communis Agglutinin I |
| RCAI➣Railroadiana Collectors Association Inc. (Olathe, KS) |
| RCAI➣Research Center for Artificial Intelligence (University of Craiova; Romania) |