Definition of omnium
1 : the total of the different stocks and other items formerly offered by the British government for the capital subscribed in funding a loan or for a unit of subscribed capital
2 British : the total of the items in any fund or stock made up by combination of various independent constituents
3 : whatnot
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Origin and Etymology of omnium
Latin, of all, genitive plural of omnis all — more at omnibus
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