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The edge or border; the edge of a body of water where it meets the land. As applied to a boundary line of land, the margin of a river, creek, or other watercourse means the center of the stream. But in the case of a lake, bay, or natural pond, the margin means the line where land and water meet.In finance, the difference between market value of loan collateral and face value of loan.

A sum of money, or its equivalent, placed in the hands of a Broker by the principal or person on whose account a purchase or sale of Securities is to be made, as a security to the former against losses to which he or she may be exposed by subsequent fluctuations in the market value of the stock. The amount paid by the customer when he uses a broker's credit to buy a security.

In commercial transactions the difference between the purchase price paid by an intermediary or retailer and the selling price, or difference between price received by manufacturer for its goods and costs to produce. Also called gross profit margin.


(Outside limit), noun bank, border, boundary, bounds, brim, brink, circumference, curb, edge, frame, fringe, hem, ledge, limit, lip, outskirt, perimeter, periphery, portal, rim, shore, skirt, threshold, verge


(Spare amount), noun amount reserved, elbowroom, extra amount for contingencies, extra amount for emergencies, headway, latitude, leeway, reserve, reserved amount, room, room to spare, space
Associated concepts: margin of profit
See also: balance, border, boundary, edge, extremity, latitude, mete, outline, penumbra, periphery, plethora, scope, space, surplus
References in periodicals archive ?
If a situation occurs where either because of a long cuff-tip length on the selected tube or because the patient has a very short left main bronchus, the margin of safety is less than 10 mm, this is a strong argument for inspection of the final position of the bronchial segment of double-lumen tube with a fibreoptic bronchoscope even if this is not the anaesthetist's routine practice.
However, researchers who study the effects of speed and gravity on Air Force fighter pilots say humans have a five-second margin of safety before losing consciousness when exposed to rapid acceleration or deceleration.
The federal law, which ``we interpret as requiring the EPA to set air quality standards at the level that is 'requisite' - that is, not lower or higher than is necessary - to protect the public health with an adequate margin of safety, fits comfortably within the scope of discretion permitted by our precedent,'' Scalia wrote.
Sounds above 16 kHz alarm crickets, giving them a wide margin of safety, Robert A.
Financial commitments are currently being met, but a limited margin of safety remains.
According to the July 31, 2006 trustee report, the interest coverage (IC) tests for each class have decreased since close but still retain a margin of safety above their minimum threshold requirements.
Cliver felt that if it took 10 minutes for a problem to occur, he had a good margin of safety in recommending 5 minutes.
This performance provides an 18% margin of safety over the specified thermal resistance.
The airport administration wants to do it for what they claim to be corporate jets that need an extra margin of safety on a fully-loaded takeoff,'' said Little.
Moreover, these data suggest that blood-lead concentrations currently deemed "acceptable" for young children by the Centers for Disease Control "offer little or no margin of safety," says study director John F.