The phrase "E Coli Transcription Termination Factor" refers to a specific factor found in the bacterium Escherichia coli that plays a crucial role in the termination of the transcription process. While there are no direct synonyms for this term, it can be understood as a factor involved in the halt of gene transcription in E. coli. Other related terms that capture the essence of this factor include "E. coli transcription terminator", "bacterial gene termination factor" or "E. coli transcription stop factor". These synonyms convey the importance of this factor in regulating the expression of genetic information in E. coli by terminating transcription at specific sites.