👉 The self-fluid, or self-liquidating, refers to a property or state where something can transform or behave like a fluid without external intervention. In the context of materials science, self-fluid means that certain substances can flow or change their state spontaneously, often due to specific conditions like temperature or pressure changes. This characteristic is particularly observed in materials such as certain polymers, colloids, and biological fluids, where internal molecular interactions allow the substance to behave like a fluid without needing continuous external forces or stimuli. This unique behavior is crucial in applications ranging from drug delivery systems to the functioning of biological processes within living organisms.