margin of safety

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Noun1.margin of safety - the margin required in order to insure safetymargin of safety - the margin required in order to insure safety; "in engineering the margin of safety is the strength of the material minus the anticipated stress"
margin - an amount beyond the minimum necessary; "the margin of victory"
index - a numerical scale used to compare variables with one another or with some reference number
References in classic literature ?
As it was, her margin of safety was next to negligible, for as she swung nimbly to the lower branches the creature in pursuit of her crashed among the foliage almost upon her as it sprang upward to seize her.
In the food additives area, when there are insufficient data for establishing an ADI, risk assessors calculate a margin of safety to determine whether current exposure might be of potential concern.
You'll rarely buy a stock at its bottom, but as long as you build in a satisfactory margin of safety, by buying at a price considerably lower than the stock's intrinsic value, then you'll likely do well.
If all you want to calculate is the breakeven point and margin of safety, then you could use a more condensed version.
We are restoring a reasonable margin of safety today, rather than risking a loss of confidence tomorrow.
To see what margin of safety the bees have, Tan and his research colleagues presented tethered wasps to six colonies each of native Asian bees and European bees.
Adding a reserve cell to a normal car battery can give drivers an extra margin of safety, says Reserve Power Cell (Deerfield Beach, FL).
However, for those who pursue the adrenalin rush, you can help mitigate the risk by using extreme equipment to gain a margin of safety.
Stated Bruchhauser, "The effort to rescind should move on to other states in order to increase the margin of safety so as to assure that no convention is called.