👉 The term "equidensity" is a scientific concept that refers to the property of a substance or material in which it is uniform in mass and volume. This means that the density of an object is constant over its entire surface, regardless of how much material it contains. The term was first introduced by the British physicist Sir William Thomson (later Lord Kelvin) in 1852, who described the phenomenon as "the law of distribution" or "equation of uniform density". This concept
