• Webster's Revised Unabridged Dictionary
    • n Oncost (Accounting) In cost accounting, expenditure which is involved in the process of manufacture or the performance of work and which cannot be charged directly to any particular article manufactured or work done (as where different kinds of goods are produced), but must be allocated so that each kind of goods or work shall bear its proper share.
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Century Dictionary and Cyclopedia
    • n oncost Additional costs; extra expenses.
    • n oncost In coal-mining, the cost of upkeep, making and maintaining shafts and roads, pumping, etc. The engineers and others employed on this work are paid by time.
    • n oncost The indirect expenditure incurred for the purpose of increasing the productive power of organized labor.
    • oncost Noting work done on time wages; also, noting men who work on such terms: as, oncost-men.
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Chambers's Twentieth Century Dictionary
    • n Oncost on′kost all charges for labour in getting mineral, other than the miners' wages: payment to the collier in addition to the rate per ton
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Chambers's Twentieth Century Dictionary
On and cost.