(historical) A book containing the names and shares of the joint speculators in a mining enterprise.

plural of cost-book

plural of cost avoidance

The cost of extracting oil from an oil well, excluding later factors such as tax and transportation.

The marginal cost of an aircraft, including production costs but excluding R&D, supplementary equipment, and future costs such as spare parts and maintenance.

(Incoterm) A scheme whereby the seller pays for transportation to the port of loading, cost and freight, and the buyer pays for the insurance and the rest of the transportation

(finance) The unused part of the economic benefit of an expenditure that remains as an asset for future use

(finance) The amount paid by a trader for goods purchased. / (finance) The cost to a manufacturer of producing an item, before any profit is taken.

(idiomatic) To be a huge expense.

plural of cost function