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.
The fictional (made-up) character of Dracula is inspired from bloodthirsty ruler Vlad ÈepeÈ that lived in Romania, Eastern Europe, between 1431 and 1476. His name was originally Vlad III, Prince of Wallachia and Transylvania-middle and southern parts of Romania.he original Vlad Dracula was not a Count, nor was he a vampire. In writing Dracula, Stoker may also have drawn on Gaelic fairy stories about blood-drinking women. The mannerisms of Dracula are thought to have come from a man called Henry Irving, a stage actor in the Victorian era at a theater where Stoker worked.