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1. The amount added to the cost to determine the asking price
    
2. Detailed stylistic instructions for typesetting something that is to be printed; manual markup is usually written on the copy (e.g. underlining words that are to be set in italics)

1. Increase the price of

Derived forms: marks up, marking up, marked up, markups

See also: mark

Type of: direction, earnings, instruction, lucre, net, net income, net profit, price, profit, profits

Antonym: mark down

Encyclopedia: Mark up