👉 The term "on fluid" refers to a type of fluid that exhibits properties between those of liquids and gases, often due to its molecular structure or external conditions. This class of fluids can flow like a liquid but also display some gas-like behaviors, such as compressibility and the ability to expand into its container. Examples include water vapor (steam) and certain gases like helium under specific conditions. The term "on fluid" is used to describe substances that do not neatly fit into the rigid categories of liquids or gases, showcasing a unique combination of characteristics that make them versatile in various physical and chemical processes.
