| RE | informal usage attributing authenticity |
|---|---|
| RE | any rational or irrational number |
| RE | the Christian doctrine that the body of Christ is actually present in the Eucharist |
| RE | property consisting of houses and land |
| RE | the main memory in a virtual memory system |
| RE | informal usage attributing authenticity |
| RE | an ancient form of tennis played in a four-walled court |
| RE | informal usage attributing authenticity |
| RE | (computer science) the time it takes for a process under computer control to occur |
| RE | the practical world as opposed to the academic world |
| RE | the business of selling real estate |
| RE | (computer science) of or relating to computer system that update information at the same rate they receive information |