Liquid phase refers to the state of matter where a substance adopts a fluid form that can easily flow and take the shape of its container. There are several synonyms for the term liquid phase, each with its unique connotation. Some common synonyms include fluid phase, molten phase, melted phase, aqueous phase, and liquefied phase. Fluid phase and molten phase are often used in the context of describing substances that are rendered fluid by the application of heat or pressure. Aqueous phase is used specifically for substances that are dissolved in water, while liquefied phase refers to the process of converting a solid or gas into liquid form.