seal

seal
1. A tight closure. 2. To effect a tight closure.
- border s. the contact of the denture border with the underlying or adjacent tissues to prevent the passage of air or other substances. SYN: peripheral s..
- palatal s. SYN: posterior palatal s..
- peripheral s. SYN: border s..
- posterior palatal s. the s. at the posterior border of a denture. SEE ALSO: posterior palatal s. area. SYN: palatal s., post dam, postdam, postpalatal s..
- postpalatal s. SYN: posterior palatal s..
- velopharyngeal s. closure between the oral and nasopharyngeal cavities.
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steric and electrostatic alignment

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seal 'sēl vt to apply dental sealant to <the teeth to be \sealed are surrounded by cotton rolls and dried thoroughly (J. W. Friedman)>

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(sēl) 1. something that effects a firm closure. 2. to secure or close tightly. 3. in dentistry, a material, usually plastic, that hardens in the mouth; used to close the coronal opening in a tooth during endodontic treatment. See also sealant. 4. a die with a raised emblem used to mark something.

Medical dictionary. 2011.

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  • seal — 1 n [Old French seel, from Latin sigillum, from diminutive of signum mark, sign]: a device (as an emblem, symbol, or word) used to identify or replace a signature and to authenticate (as at common law) written matter see also contract under seal… …   Law dictionary

  • Seal — may refer to:Legal* Seal (contract law), a legal formality for contracts and other instruments * Seal (device), an official stamp or symbol used as a means of authentication * Seal (Chinese), a stamp used in East Asia as a form of a signature *… …   Wikipedia

  • seal — seal1 [sēl] n. [ME seel < OFr < L sigillum, a seal, mark, dim. of signum: see SIGN] 1. a design, initial, or other device placed on a letter, document, etc., as a mark of genuineness or authenticity: letters were, esp. formerly, closed with …   English World dictionary

  • Seal — auf der Berlinale 2008 Seal (* 19. Februar 1963 in London, als Seal Henry Olusegun Olumide Adeola Samuel) ist ein britischer Sänger nigerianischer und brasilianischer Abstammung …   Deutsch Wikipedia

  • Seal — (s[=e]l), n. [OE. sele, AS. seolh; akin to OHG. selah, Dan. s[ae]l, Sw. sj[ a]l, Icel. selr.] (Zo[ o]l.) Any aquatic carnivorous mammal of the families {Phocid[ae]} and {Otariid[ae]}. [1913 Webster] Note: Seals inhabit seacoasts, and are found… …   The Collaborative International Dictionary of English

  • Seal — Seal, n. [OE. seel, OF. seel, F. sceau, fr. L. sigillum a little figure or image, a seal, dim. of signum a mark, sign, figure, or image. See {Sign}, n., and cf. {Sigil}.] 1. An engraved or inscribed stamp, used for marking an impression in wax or …   The Collaborative International Dictionary of English

  • Seal — • The use of a seal by men of wealth and position was common before the Christian era. It was natural then that high functionaries of the Church should adopt the habit as soon as they became socially and politically important Catholic… …   Catholic encyclopedia

  • Seal — Seal, v. t. [imp. & p. p. {Sealed}; p. pr. & vb. n. {Sealing}.] [OE. selen; cf. OF. seeler, seieler, F. sceller, LL. sigillare. See {Seal} a stamp.] 1. To set or affix a seal to; hence, to authenticate; to confirm; to ratify; to establish; as, to …   The Collaborative International Dictionary of English

  • SEAL — oder SEAL ist die Bezeichnung für: einen englischen Sänger, siehe Seal eine grafische Benutzeroberfläche für DOS. Siehe SEAL (Computer) eine Sound Bibliothek für verschiedene Plattformen (Synthetic Audio Library) ein britisches U Boot, das von… …   Deutsch Wikipedia

  • Seal — 〈[ si:l] m. 6; kurz für〉 Sealskin (1) [engl., „Robbe“; → Seehund] * * * Seal [zi:l , auch: si:l], der od. das; s, s [engl. seal = Robbe]: 1. a) Fell bestimmter Robbenarten; b) aus Seal (1 …   Universal-Lexikon

  • seal — Ⅰ. seal [1] ► NOUN 1) a device or substance used to join two things together or make something impervious. 2) a piece of wax or lead with an individual design stamped into it, attached to a document as a guarantee of authenticity. 3) a… …   English terms dictionary

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