Definitions for "Bottoms"
The liquid or other residual matter that is withdrawn from the bottom of a fractionator or other vessel during processing or while in storage; also, the heaviest product remaining in the liquid phase after distillation.
The heavy portions, or fractions, of a crude oil that do not vaporize during distillation; the accumulation of sediments, mud and water in the bottoms of lease tanks.
The liquid which collects in the bottom of a vessel (tower bottoms, tank bottoms), either during a fractionating process or while in storage.