FXR is a term that may refer to different things, depending on the context. However, when it comes to synonyms, the most common meanings of FXR are related to the farnesoid X receptor, a nuclear receptor that plays a crucial role in the regulation of bile acid metabolism, glucose and lipid homeostasis, and inflammation. Some of the synonyms for FXR in this sense are NR1H4, BAR, RIP14, HRR1, and NR1H5. On the other hand, FXR may also stand for the abbreviation of some company names or be used as a shorthand for visual effects and graphics software. Therefore, the possible synonyms for FXR vary according to the specific domain where the term is employed.