- oilLiquid fat.
- oleumA solution of sulfur trioxide in sulfuric acid.
- cardolAn oily yellow phenolic compound C₂₁H₃₀O₃ extracted from the shell of the cashew nut and one of the primary components of CNSL.
- cosmolineA substance obtained from the residues of the distillation of petroleum, essentially the same as vaseline, but of somewhat stiffer consistency, and consisting of a mixture of the higher paraffins.
- erythroleic acidA purple semifluid substance said to be obtained from orchil.
- leucolinequinoline.
- -olAn alcohol or phenol.
- -olaUsed to form the names of several commercial companies and products.
- -olein the Hantzsch–Widman nomenclature for naming heterocycles, denotes an unsaturated five-membered ring system with nitrogen
- oleiferousThat produces oil
- oleo-oil or oil-based materials
- oleosaccharumAn oil-sugar; a preparation made by saturating thirty grains of sugar with one drop of volatile oil.
- phenetolSynonym of phenetole
- pinacolinA colourless oily liquid related to the ketones, and obtained by the decomposition of pinacol.
- rhigoleneA mixture of volatile hydrocarbons intermediate between gasolene and cymogene, formerly used as a refrigerant.
- salicylolsalicylic acid
- serolinA fatty substance found in the blood, probably a mixture of fats, cholesterol, etc.
- sinapolineA nitrogenous base, CO.(NH.C₃H₅)₂, related to urea, and extracted from mustard oil