Petro- 1701714 206956461 2008-04-20T20:45:59Z Xyzzyplugh 639298 wikified, per [[Wikipedia:Manual of Style (disambiguation pages)]] '''Petro-''' is a [[Greek language|Greek]] term for "[[rock (geology)|rock]]" used as a [[Prefix (linguistics)|prefix]], for a number of English words, most notably [[petroleum]]. For example: * [[PetroKazakhstan]] - Canadian oil company * [[Petrovietnam]] - Vietnam Oil and Gas Corporation * [[Petro-Canada Centre]] - two office towers of 32 floors and 53 floors * [[Petro-Canada]] - Canadian oil and gas firm * Petro-free - [[Alternative propulsion]] * [[Petro Chemical Complex INA]] - Indian town * [[PetroChina]] - arm of China National Petroleum Corporation (CNPC) * [[Petrobras]] - Brazilian oil company [[Category:Vocabulary]] {{disambig}}