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Definition. A hard ceramic tile of homogeneous composition throughout, deriving its color or texture from the materials used and the method of manufacture. The unglazed tile is used for floors or walls.Print | Cite This Source | Link to This Page. hard ceramic tile of homogeneous composition throughout, deriving its color or texture from the materials used and the method of manufacture. The unglazed tile is used for floors or walls.
Supercooled (definition): Cooling a liquid below its freezing point without it becoming a solid. This demonstration should be done after a discussion of the melting of solids and the freezing of liquids. The discussion should include the phenomenon of supercooling liquids below their freezing points. Point out that usually such liquids are very unstable and can often be induced to solidify by a slight mechanical disturbance.