Adjective
(mathematics, geometry) for a geometric figure that is the image of another figure under an homothety.
(mathematics) of a function of two or more variables in which the ratio of the partial derivatives depends only on the ratio of the variables, not their value
(economics) in which the ratio of goods demanded depends only on the ratio of their prices
the relationship of a microcosm to a macrocosm
Source: en.wiktionary.org