Definition of oncost Oncost
on•cost
We found 5 definitions of oncost from 2 different sources.
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What does oncost mean?
Wiktionary 
- oncost (Noun)
Additional costs; extra expenses. - oncost (Noun)
Overhead. - oncost (Noun)
The cost of upkeep, making and maintaining shafts, roads, pumping, etc. - oncost (Noun)
The indirect expenditure incurred for the purpose of increasing the productive power of organised labour.
Chambers DictionaryChamber's 20th Century Dictionary đź“•
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oncost
on′kost, n. all charges for labour in getting mineral, other than the miners' wages: payment to the collier in addition to the rate per ton.—n.pl. On′costmen, men who work in or about a mine at other work than cutting coal. [On and cost.]
