Saline solution is an essential solution used in various medical procedures, including IV drips, nasal rinses, and wound cleaning. However, it can be useful to look for synonyms for the word 'saline solution' to diversify your writing and avoid repetition. Some of the synonyms for saline solution include physiological solution, isotonic solution, normal saline, or sodium chloride 0.9%. These synonyms describe an equal or same concentration of salt and water to the human body. They are often used interchangeably in medical literature and discussions. It is crucial to use appropriate synonyms in technical writing to ensure a clear and concise understanding of the content.