the urge to form friendships and attachments, typically prompting a person to attend social gatherings and join organizations as a way of preventing loneliness and gaining emotional security.
related by or concerning marriage.
a person related to one by marriage. assigning finite values to finite quantities. of or relating to a transformation that maps parallel lines to parallel lines and finite points to finite points. adjective (maths) of, characterizing, or involving transformations which preserve collinearity, esp in classical geometry, those of translation, rotation and reflection in an axis
- Affine geometry
the branch of geometry dealing with affine transformations.
- Affine group
the group of all affine transformations of a finite-dimensional vector space.