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melting point, temperature at which the solid and liquid forms of a pure substance can exist in equilibrium. As heat is applied to a solid, its temperature will increase until the melting point is reached. More heat then will convert the solid into a liquid with no temperature change.
The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at a standard pressure such as 1 atmosphere or 100 kPa.
The meaning of MELTING POINT is the temperature at which a solid melts. How to use melting point in a sentence.
The melting point is the temperature at which a substance changes from a solid to a liquid. At the melting point, the solid and liquid states both exist and are at equilibrium. Melting point is a physical property of matter.
The melting point of a substance is the temperature at which a solid and liquid phase may coexist in equilibrium and the temperature at which matter changes from solid to liquid form. The term applies to pure liquids and solutions. Melting point depends on pressure, so it should be specified.
The temperature at which a solid, given sufficient heat, becomes a liquid. For a given substance, the melting point of its solid form is the same as the freezing point of its liquid form, and depends on such factors as the purity of the substance and the surrounding pressure.
The melting point is the temperature at which a solid changes into a liquid. At its melting point, the disruptive vibrations of the particles of the solid overcome the attractive forces operating within the solid.