safety


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safety

American football
a. either of two players who defend the area furthest back in the field
b. a play in which the offensive team causes the ball to cross its own goal line and then grounds the ball behind that line, scoring two points for the opposing team
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

safety

[′sāf·tē]
(engineering)
Methods and techniques of avoiding accident or disease.
(ordnance)
A locking or cut-off device that prevents a weapon or missile from being fired accidentally.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

elevator car safety, counterweight safety

A mechanical device attached to an elevator car frame or to the frame of the counterweight; slows down, stops, and holds the car or counterweight in the event of excessive speed or free fall of the car, or if the wire ropes slacken, break, or pull out of their fastenings.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

safety

This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

intrinsic safety

Inherently safe machinery, electrical and electronic systems that do not contain hazardous materials, high voltages, bare terminals or other potentially dangerous parts that can cause injury to a human. See safety.

machine safety

Safeguards that are applied to both machinery and the operators who work with them. Examples are interlocks that stop a motor if a person gets too close, guards that cover moving gears and blades and goggles and protective clothing. See safety.

safety instrumented system

A system that protects a manufacturing or operating process. Conforming to the IEC 61511 or 61508 standards, such a system is designed to shut itself down or change to a reduced operational state in the event of failure or hazardous situation. Also called "ESD system," "emergency shutdown," "safety shutdown" and "emergency trip system." See safety.

safety integrity level

A measurement of the effectiveness of safety systems based on the probability of tolerable incidents that can occur within a number of processing demands. For example, SIL level 4 means that for every 10,000 demands on the system, there could be one incident. See safety instrumented system.


Probability Categories
SIL From To

1 1 in 10 1 in 100
2 1 in 100 1 in 1,000
3 1 in 1,000 1 in 10,000
4 1 in 10,000 1 in 100,000

safety network

A network used in industrial and process control industries that provides real-time response to signals for turning off machinery due to a malfunction or operator accident. See safety.
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References in classic literature ?
At sight of me several of the savage creatures left off worrying the great brute to come slinking with bared fangs toward me, and as I turned to run toward the trees again to seek safety among the lower branches, I saw a number of the man-apes leaping and chattering in the foliage of the nearest tree.
And so I raced on toward the trees intending to pass beneath that which held the man-things and take refuge in another farther on; but the wolf-dogs were very close behind me--so close that I had despaired of escaping them, when one of the creatures in the tree above swung down headforemost, his tail looped about a great limb, and grasping me beneath my armpits swung me in safety up among his fellows.
Through this scene of confusion, Cedric rushed in quest of Rowena, while the faithful Gurth, following him closely through the me l e, neglected his own safety while he strove to avert the blows that were aimed at his master.
Here sat the fierce Templar, mounted on horseback, surrounded by several of the garrison both on horse and foot, who had united their strength to that of this renowned leader, in order to secure the last chance of safety and retreat which remained to them.
Rebecca, placed on horseback before one of the Templar's Saracen slaves, was in the midst of the little party; and Bois-Guilbert, notwithstanding the confusion of the bloody fray, showed every attention to her safety. Repeatedly he was by her side, and, neglecting his own defence, held before her the fence of his triangular steel-plated shield; and anon starting from his position by her, he cried his war-cry, dashed forward, struck to earth the most forward of the assailants, and was on the same instant once more at her bridle rein.
But the monkey only screamed his warning more lustily before he raced upward toward the safety of the high terrace where Mangani, the great ape, could not follow.
Slowly she was gaining her way to the greater heights where safety lay, when, after a particularly daring leap, the swaying branch she grasped bent low beneath her weight, nor whipped upward again as it should have done.
"It is one danger more; but I see no way of escaping it; the only chance of safety is to go quicker than solidification.
Do you not perceive that it would be an agent of safety instead of destruction?"
It would take but a few lessons to insure the former safety of the tribe.
The apes, watching the grim race from the safety of the trees, screamed taunts at Numa and warnings to Tarzan.
He foresaw what might happen should the great carnivora of the jungle turn their serious attention upon the tribe of Kerchak, the great ape, but equally he thought upon the wild scramble of the apes for safety when Numa first charged among them.