Additive (Oil)

1) A chemical added in small quantities to a base fluid to improve specific properties of the lubricant, such as fluid life, lubricity, wear protection, or rust protection.

2) Anything added to oil to transform the base oil into a better performing lubricant. By using the same base stock, many different oils can be manufactured, each with its own unique properties.

See also Anti-Foam Additive; Anti-Foam Agent; Antioxidant; Anti-Wear And Extreme Pressure Additives; Extreme Pressure Additive.