Definition from Wiktionary, the free dictionary
sociolinguist (plural sociolinguists)
- A person who studies sociolinguistics.
Related terms 
- "The "quick look at the markets" on news bulletins is a form of what sociolinguists call phatic communication: a message without any real content, just there for the sake of communicating something." - Moran, Joe, "A prayer with no meaning", Guardian Unlimited, www.guardian.co.uk, 2007-01-16. Retrieved on 2007-01-26. (written in English)