n A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity. (e.g. sister).
n (taxonomy) resemblances between biology|biological populations; resemblances that suggest that they are of a common origin, type or stock.
n (geology) structure | structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
n (chemistry) An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds
n (computing) tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses