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margin of safety

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margin of safety

[′mär·jən əv ′sāf·tē]
(design engineering)
A design criterion, usually the ratio between the load that would cause failure of a member or structure and the load that is imposed upon it in service.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

factor of safety, safety factor

1. The ratio of the ultimate stress of a structure or pressure vessel to the design working stress.
2. The ratio of the ultimate breaking strength of a member or piece of material or equipment to the actual working stress or safe load when in use.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

margin of safety

The safety factor, expressed either in a percentage or a ratio, by which the ultimate failing load of components exceeds the design limit load.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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References in periodicals archive
"Margin of safety protects us from errors in judgement," says Parikh of PPFAS.
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The key is 10 develop a strategy going forward to know and maintain your margin of safety, which is based on recorded and verifiable data.
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If you look closely, you'll see that we also use the ROUND function for the weighted average contribution margin since we're really looking to display to the nearest penny, the ROUNDUP for the breakeven point in units as we discussed, and the ROUNDDOWN function for the margin of safety in order to be conservative.
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However, as retailers work with a wide margin of safety, many foods are still safe after their use-by date, as per the guide above.
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The difference between the length of the left main bronchus and the length of the cuff and tip of the bronchial segment of the tube has been termed "the margin of safety" by Benumof.
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As an additional margin of safety, two officers from each of the three squads became COBRA officers, a concept based upon these officers obtaining advanced training so that they can serve as safety officers and advisors for their respective squads.
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Not to mention it also provides an extra distance or margin of safety from the face of the dock.
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A new study of heat balling has described a margin of safety for the defending bees, says Tan Ken of Yunnan Agricultural University in Kunming, China.
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Cost/volume/profit (CVP) analysis can be used to determine how many products must be sold in order to break even or reach a target profit and also to calculate the margin of safety for a business proposal Panel 1 contains the formulas for these calculations.
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Adding a reserve cell to a normal car battery can give drivers an extra margin of safety, says Reserve Power Cell (Deerfield Beach, FL).
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The absence of measurable ciprofloxacin absorption into the human inner ear, serum, or CSF reinforces its margin of safety.
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