Octane Rating: The rating system of aviation gasoline with regard to its antidetonating qualities. Fuel with an octane rating of 87 is made up of a mixture of 87% isooctane and 13% heptane.

 

Related Words

Octane Rating: The rating system of aviation gasoline with regard to its antidetonating qualities. Fuel with an octane rating of 87 is made up of a mixture of 87% isooctane and 13% heptane.

Operating Profit: Another term for operating income.

Operating Performance Ratio: An overall measure of the efficiency of operations during a period: computed by dividing net income by net sales.

Operating Leverage: Fixed operating costs, which are characterized as leverage because they accentuate variations in profits.

Operating Profit (Or Loss): Revenue from a firm's regular activities less costs and expenses and before income deductions.

Operating Lease: Short-term, cancelable lease. A type of lease in which the contact period is shorter than the life of the equipment, and the lessor pays all maintenance and servicing costs.

Operating Profit Margin: The ratio of operating profit to net sales.

Operating Risk: The inherent or fundamental risk of a firm, without regard to financial risk. The risk that is created by operating leverage. Also called business risk.

Operating Ratio: A ratio that measures a firm's operating efficiency.

Operating Rate: The percentage of total production capacity of a company, industry, or country that is being used.