Definitions
1.nounThat which is similar to, or resembles, something else, as in quality, form, etc.
2.nounA material that produces an effect that resembles the symptoms of a particular disease.
3.adjectiveHaving traits or characteristics in common; alike, comparable.
4.adjectiveOf geometrical figures including triangles, squares, ellipses, arcs and more complex figures, having the same shape but possibly different size, rotational orientation, and position; in particular, having corresponding angles equal and corresponding line segments proportional; such that one can be had from the other using a sequence of rotations, translations and scalings.