| MOTSA | multiple overlapping thin slab acquisition [technique] |
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| slab | 1. A thin piece of anything, especially of marble or other stone, having plane surfaces. 2. An outside piece taken from a log or timber in sawing it into boards, planks, etc. 3. <zoology> The wry neck. 4. The slack part of a sail. Slab line, a line or small rope by which seamen haul up the foot of the mainsail or foresail. Origin: OE. Slabbe, of uncertain origin; perhaps originally meaning, a smooth piece, and akin to slape, Icel. Sleipr slippery, and E. Slip, v. I. Source: Websters Dictionary (01 Mar 1998) |
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| slab-off | A process by which prism base-up is produced in the reading field of a spectacle lens through bicentric grinding. (05 Mar 2000) |
| slab-off lens | A spectacle lens with a base-up prism below; used in unequal myopia to equalise image displacement when reading. (05 Mar 2000) |
| adjustable articulator | An articulator which may be adjusted to permit movement of the casts into recorded eccentric relationships, an articulator capable of adjustment to more than one eccentric position. (05 Mar 2000) |
| arcon articulator | An articulator with the equivalent condylar guides fixed to the upper member and the hinge axis to the lower member, an instrument that maintains a constant relationship between the occlusal plane and the arcon guides at any position of the upper member, thereby making possible more accurate reproductions of mandibular movements. (05 Mar 2000) |
| articulator | <dentistry> A special holder for models of your teeth. The articulator holds the models in the same alignment as your jaw so the orthodontist can look carefully at your bite. (08 Jan 1998) |
| non-arcon articulator | An articulator with the equivalent condylar guides attached to the lower member and the hinge axis to the upper member. (05 Mar 2000) |
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