gross margin
US /ˌɡroʊs ˈmɑːr.dʒɪn/
UK /ˌɡroʊs ˈmɑːr.dʒɪn/

1.
the difference between revenue and cost of goods sold, before deducting operating expenses, interest, and taxes
:
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The company reported a healthy gross margin of 45% this quarter.
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Improving gross margin is a key financial goal for many businesses.