shield


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shield

 [shēld]
1. any protecting structure.
2. in radiology, a protective device, often made of lead, through which particualr types of rays cannot pass; used to avoid the effects of ionizing radiation.

shield

(shēld),
A protecting screen; lead sheet for protecting the operator and patient from x-rays.
[A.S. scild]

shield

Infectious control A protective device that covers the face, which has a plasticine barrier through which the user sees. See Personal protection garment Medtalk That which protects, a protective barrier. See Dalkon shield, Human shield.

shield

(shēld)
A protecting screen; lead sheet for protecting the operator and patient from x-rays.

shield

(shēld)
A lead sheet to protect operator and patient from x-rays.
References in classic literature ?
207-215) And on the shield was a harbour with a safe haven from the irresistible sea, made of refined tin wrought in a circle, and it seemed to heave with waves.
216-237) There, too, was the son of rich-haired Danae, the horseman Perseus: his feet did not touch the shield and yet were not far from it -- very marvellous to remark, since he was not supported anywhere; for so did the famous Lame One fashion him of gold with his hands.
With him went the horse-driving Boeotians, breathing above their shields, and the Locrians who fight hand to hand, and the gallant Phocians eager for war and battle.
"Their plumes covered the valleys as the plumes of a bird cover her nest; they shook their shields and shouted, yea, they shook their shields in the sunlight; they lusted for battle and were glad.
All along the roadways stood thousands of dejected warriors, their heads drooping, and their shields and spears at their feet, who, headed by their officers, saluted Ignosi as king as he passed.
As nothing could be done for him at the moment, he was placed on one of the wicker shields used for the wounded, and carried along with us.
Having intimated their more pacific purpose, the champions retreated to the extremity of the lists, where they remained drawn up in a line; while the challengers, sallying each from his pavilion, mounted their horses, and, headed by Brian de Bois-Guilbert, descended from the platform, and opposed themselves individually to the knights who had touched their respective shields.
Three knights only appeared on the fourth entry, who, avoiding the shields of Bois-Guilbert and Front-de-B uf, contented themselves with touching those of the three other knights, who had not altogether manifested the same strength and dexterity.
Shares in commercial stage pharma company Shield were down 5.3% at 108.00 pence in morning trade.
Elizabeth Norcott Shield (1-5 teachers): Duncow Primary (C).
"Until now, individual investors have not been able to insure their money in the event that their asset manager or investment advisor embezzles their money," Travus Pope, co-founder of Capital Shield Inc, said in prepared remarks.