shield

shield
A protecting screen; lead sheet for protecting the operator and patient from x-rays. [A.S. scild]
- embryonic s. a thickened area of the embryonic blastoderm from which the embryo develops.
- nipple s. a cap or dome placed over the nipple to protect it during nursing.
- oral shields removable appliances used in orthodontic treatment, usually placed between the labial and buccal mucosa and the teeth.

* * *

shield 'shēld n a structure, device, or part that serves as a protective cover or barrier <a lead \shield to protect against X-rays>

* * *

(shēld) any protecting structure.

Medical dictionary. 2011.

Игры ⚽ Поможем решить контрольную работу
Synonyms:

Look at other dictionaries:

  • SHIELD — Personnage de fiction Activité(s) Agence gouvernementale Adresse Héliporteur (Helicarrier) …   Wikipédia en Français

  • shield´er — shield «sheeld», noun, verb. –n. 1. a piece of armor carried on the arm or in the hand to protect the body in battle, used in ancient and medieval warfare. 2. anything used to protect: »He turned up his collar as a shield against the cold wind. A …   Useful english dictionary

  • Shield — Shield, v. t. [imp. & p. p. {Shielded}; p. pr. & vb. n. {Shielding}.] [AS. scidan, scyldan. See {Shield}, n.] 1. To cover with, or as with, a shield; to cover from danger; to defend; to protect from assault or injury. [1913 Webster] Shouts of… …   The Collaborative International Dictionary of English

  • Shield — Shield, n. [OE. sheld, scheld, AS. scield, scild, sceld, scyld; akin to OS. scild, OFries. skeld, D. & G. schild, OHG. scilt, Icel. skj[ o]ldr, Sw. sk[ o]ld, Dan. skiold, Goth. skildus; of uncertain origin. Cf. {Sheldrake}.] 1. A broad piece of… …   The Collaborative International Dictionary of English

  • shield — [shēld] n. [ME schelde < OE scield, akin to Ger schild < Gmc * skild < IE base * (s)kel > SHELF] 1. a flat, usually broad, piece of metal, wood, etc., carried in the hand or worn on the forearm to ward off blows or missiles 2. any… …   English World dictionary

  • Shield — steht für The Shield – Gesetz der Gewalt, eine US amerikanische Krimiserie Mark Shield (* 1973), ein australischer Fußballschiedsrichter William Shield (1748 1829), englischer Komponist Diese Seite ist eine Begriffsklärun …   Deutsch Wikipedia

  • shield — [n] protection absorber, aegis, armament, armor, buckler, buffer, bulwark, bumper, cover, defense, escutcheon, guard, mail, rampart, safeguard, screen, security, shelter, ward; concepts 712,729 shield [v] protect bulwark, chamber, conceal, cover …   New thesaurus

  • shield — ► NOUN 1) a broad piece of armour held for protection against blows or missiles. 2) a sporting trophy consisting of an engraved metal plate mounted on a piece of wood. 3) Heraldry a stylized representation of a shield used for displaying a coat… …   English terms dictionary

  • Shield — См. Защитный экран Термины атомной энергетики. Концерн Росэнергоатом, 2010 …   Термины атомной энергетики

  • shield — I noun aegis, buckler, buffer, bulwark, clipeus, cover, covert, coverture, defense, guard, protection, protector, rampart, refuge, safeguard, sanctuary, screen, scutum, security, shelter II index blind (obscure) …   Law dictionary

  • shield — vb protect, guard, safeguard, *defend Analogous words: preserve, conserve, *save: *harbor, shelter, lodge, house …   New Dictionary of Synonyms

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