adjective: (mathematics, geometry) for a geometric figure that is the image of another figure under an homothety.
adjective: (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
adjective: (economics) in which the ratio of goods demanded depends only on the ratio of their prices
adjective: the relationship of a microcosm to a macrocosm
