There are several synonyms for the term "liquid-based cytology" used in medical field. One such term is "liquid-based pap test", which is a name for a specific type of screening test that detects abnormal cervical cells. Another term is "liquid-based preparation", which is used to describe the process of preparing cell samples for examination under a microscope. "ThinPrep" is another term sometimes used to refer to liquid-based cytology, as it is the brand name of a popular test kit. Finally, "liquid-based smear" is another synonym for this type of test, as it involves spreading the collected cells on a slide.