| veneer | To overlay or plate with a thin layer of wood or other material for outer finish or decoration; as, to veneer a piece of furniture with mahogany. Used also figuratively. "As a rogue in grain Veneered with sanctimonious theory." (Tennyson) Origin: G. Furnieren, fourniren, fr. F. Fournir to furnish. See Furnish. A thin leaf or layer of a more valuable or beautiful material for overlaying an inferior one, especially such a thin leaf of wood to be glued to a cheaper wood; hence, external show; gloss; false pretense. <zoology> Veneer moth, any moth of the genus Chilo; so called because the mottled colours resemble those of veneering. Origin: Cf. G. Furnier or fournier. See Veneer. Source: Websters Dictionary (01 Mar 1998) |
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| acrylic | <dentistry> A plastic used to false teeth, retainers, and other dental products. Dental acrylic has been tested and thought to be perfectly safe. (08 Jan 1998) |
| acrylic acids | A series of unsaturated aliphatic acids of the general formula R==CH-COOH; the prototype, acrylic acid (R=CH2) or 2-propenoic acid, is derived from propionic acid by reduction or from glycerol by dehydration. Synonym: acroleic acids. (05 Mar 2000) |
| acrylic resin | A general term applied to a resinous material of the various esters of acrylic acid; used as a denture base material, for other dental restorations, and for trays. (05 Mar 2000) |
| acrylic resin base | A form made of acrylic resin molded to conform to the tissues of the alveolar process and used to support the teeth of a prosthesis. (05 Mar 2000) |
| acrylic resin tooth | A tooth made of acrylic resin. (05 Mar 2000) |
| direct acrylic restoration | A direct resin restoration of autopolymerizing acrylic. (05 Mar 2000) |
| 3-(2,4--dioxo-6-methyl-5-pyrimidinyl)acrylic acid synthase | <enzyme> Involved in sparsomycin biosynthesis; catalyses conversion of 3-(4-oxo-6-methyl-5-pyrimidinyl)acrylic acid to 3-(2,4-dioxo-6-methyl-5-pyrimidinyl)acrylic acid Registry number: EC 1.14.13.- Synonym: (e)-uca synthase (26 Jun 1999) |
| anatomical crown | The portion of a tooth covered with enamel. Synonym: corona dentis, anatomical crown. (05 Mar 2000) |
| artificial crown | A fixed restoration of the major part of the entire coronal part of a natural tooth; usually of gold, porcelain, or acrylic resin. (05 Mar 2000) |
| bell-shaped crown | A crown of a tooth with an exaggerated occlusogingival contour; human deciduous molars typify the bell-shaped crown. (05 Mar 2000) |
| radiate crown | A fan-shaped fibre mass on the white matter of the cerebral cortex, composed of the widely radiating fibres of the internal capsule; a single layer of columnar cells derived from the cumulus oophorus, which anchor on the pellucid zone of the oocyte in a secondary follicle. Synonym: radiate crown. (05 Mar 2000) |
| ciliary crown | The circular figure on the inner surface of the ciliary body, formed by the processes and folds (plicae) taken together. Synonym: ciliary crown, ciliary wreath. (05 Mar 2000) |
| clinical crown | That part of the crown of a tooth visible in the oral cavity. Synonym: corona clinica. (05 Mar 2000) |
| crown | The part of a tree or shrub above the level of the lowest branch. (09 Oct 1997) |