affinity

1. (taxonomy) Resemblances between biological populations, suggesting that they have a common origin, type or stock.countableuncountable

2. (geology) Structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.countableuncountable

3. (chemistry) An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds.countableuncountable

4. (medicine) The attraction between an antibody and an antigencountableuncountable

5. (computing) A tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses.countableuncountable

6. (geometry) An automorphism of affine space.countableuncountable