Definitions
1.noun(genealogy) A relative by marriage, an in-law.
2.verbTo refine.
3.adjectiveAssigning finite values to finite quantities.
4.adjectiveOf or pertaining to a function expressible as f(\vec x)= A \vec x + \vec b (where A is a linear transformation and \vec b is a constant), which, regarded as a transformation, maps parallel lines to parallel lines and finite points to finite points.
5.adjectiveOf two materials, having mutual affinity.