Longman Dictionary of Contemporary English
Wiktionary
n. The ratio of net income to net sales of a company expressed as a percentage.
WordNet
n. the ratio gross profits divided by net sales [syn: margin of profit, gross margin]
Wikipedia
Profit margin, net margin, net profit margin or net profit ratio is a measure of profitability. It is calculated by finding the net profit as a percentage of the revenue.
$\text{net profit margin} = {\text{net profit}\over\text{revenue}}$Net profit is revenue minus cost.
Usage examples of "profit margin".
With that change went much of the profit margin of the Japanese firms—.
Prices in, prices out, profit margin, tax, you name it, the computer will tell you what we’.
Being a businessman, he saw another way to make that profit margin sing.
Outlay for the health plan and employee benefits was high and nipped at the profit margin, but as a woman raised by the Templetons, she also firmly believed in sharing success with the people who helped you earn it.
Little ships couldn't get the profit margin, with the new regulations, couldn't keep ahead of the Family ships and the state-sponsored combines.
That the profit margin on the Blue Ribbon has gotten so thin that the cost accountants might just throw up their hands and say, Let's ditch the whole thing, guys.
Dumb lumps like Socks were a big part of the pawnshop's profit margin, but the lumps came back again and again because they were just clever enough to want to stay out of jail.
The telephone rang three times with good substantial orders and the till, when consulted, showed a healthy profit margin on the morning’.
To increase his profit margin, Louie cut the Zoner with dried grass scored from city parks, and the Jazz with baking powder he bought in warehouse-sized bins.
Research indicates poisons aren't very cost effective, narrow profit margin, and are generally not a specialty.
This would be sold for about $800 an ounce, the profit margin rising the closer the drug came to the street.
I had always imagined political subversives dressed up as tribal natives and a huge hit in the profit margin of the East India Company.