Webster Dictionary(0.00 / 0 votes)Rate this definition: Quinine(noun) an alkaloid extracted from the bark of several species of cinchona (esp. Cinchona Calisaya) as a bitter white crystalline substance, C20H24N2O2.
The Downstream segment has global manufacturing and marketing operations. It is the product and service-led arm of BP, made up of three businesses: fuels, lubricants and petrochemicals.
Halliburton Co. (NYSE: HAL) and Schlumberger, Ltd. (NYSE: SLB) are both in the oil and gas equipment services industry. As such, there are a number of similarities between the companies. They provide similar oilfield services, have large market capitalizations and earn billions in annual revenues.