a characteristic of a substance that can be observed, such as color, taste, texture, and density.

physical properties of matter: characteristic(s) of a substance as it is subjected to physical changes; a quality of a substance that can be observed or measured without changing the substance's chemical composition. (see chemical property)

A property that can be measured without changing the chemical composition of a substance.

a characteristic of a substance that can change without the substance becoming a different substance.

A physical property is any aspect of an object or substance that can be measured or perceived without changing its identity. Physical properties can be intensive or extensive. An intensive property does not depend on the size or amount of matter in the object, while an extensive property does.