Pyridinium Tribromide is used as a brominating agent for organic synthesis especially for pharmaceuticals and hormones. It can be replaced for n-Bromosuccinimide. (N-Bromo derivatives and ammonium tribromides are mainly used as brominating agents)
Top definition. Vlad. Vlad is usually a Russian name, sometimes romanian, and usually is an athletic all around great guy that is good at everything. He is known to have a big penis and is a legend in bed. He has an amazing body and really funny. He is very popular especially with females...fine females.
noun.  1 vagina. See more words with the same meaning: vulva ('vagina'), female genitalia. 2  breast. Citation from Stan Knows Best, American Dad (TV), Season 1 Episode 3 (2005) blacked out to resolve Google's penalty against this site.