define thermal expansion of liquid
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Increase in dimensions of a liquid on being heated is called thermal expansion of the liquid. Types. Liquid has only volume. When heated, its volume increases.
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Thermal expansion is the increase, or decrease, of the size (length, area, or volume) of a body due to a change in temperature. Thermal expansion is large for gases, and relatively small, but not negligible, for liquids and solids.
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