Freezing-point meaning

frē'zĭng
The temperature at which a liquid of specified composition solidifies under a fixed pressure, usually standard pressure.
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The temperature at any fixed pressure at which the liquid and solid phases of a substance of specified composition are in equilibrium.
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The temperature at which a liquid freezes or becomes solid: the freezing point of water is 32°F or 0°C.
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The temperature at which a liquid, releasing sufficient heat, becomes a solid. For a given substance, the freezing point of its liquid form is the same as the melting point of its solid form, and depends on such factors as the purity of the substance and the surrounding pressure. The freezing point of water at a pressure of one atmosphere is 0°C (32°F); that of liquid nitrogen is −209.89°C (−345.8°F).
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The temperature at which a liquid freezes, and the solid and liquid phases are in equilibrium; normally the same as the melting point.
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