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.
Family Edit. Vlad-Mavis' Grandfather (Drac's Father) who she never had met due to complicated relationship between Drac and Vlad. When Mavis married a human, and Mavis inviting him to her son's 5th birthday, Dracula became worried of Vlad learning about Human and Monster co-existence.