👉 A "directly fluid" refers to a type of fluid that flows continuously and smoothly without significant resistance, often associated with liquids or gases in certain physical states. This term is commonly used in fluid dynamics to describe fluids that move in a continuous, unbroken manner, such as water or air under specific conditions. Directly fluid implies a lack of turbulence and minimal energy loss due to friction, making it ideal for applications requiring efficient flow, like hydraulic systems or aerodynamics.