Sociolinguistics is defined as the study of how the people around you and your heritage can change the way you speak.
An example of sociolinguistics is a study of Spanish and English being spoken together as Spanglish.
the branch of linguistics that analyzes the effects of social and cultural factors within a speech community upon its language patterns
noun(used with a sing. verb)
The study of language and linguistic behavior as influenced by social and cultural factors.
socio- +"Ž linguistics.