| boat-shaped | <botany> See Cymbiform. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| boat-shaped abdomen | A condition in which the anterior abdominal wall is sunken and presents a concave rather than a convex contour. Synonym: boat-shaped abdomen, navicular abdomen. (05 Mar 2000) |
| gingival contour | The shape or form of the gingiva, either natural or artificial, around the necks of the teeth. Synonym: gum contour. (05 Mar 2000) |
| gum contour | The shape or form of the gingiva, either natural or artificial, around the necks of the teeth. Synonym: gum contour. (05 Mar 2000) |
| contour | 1. The outline of a part; the surface configuration. 2. In dentistry, to restore the normal outlines of a broken or otherwise misshapen tooth, or to create the external shape or form of a prosthesis. Origin: L. Con-(intens.), + torno, to turn (in a lathe), fr. Tornus, a lathe (05 Mar 2000) |
| contour lines of Owen | Accentuated incremental line's in the dentin thought to be due to disturbances in the mineralization process. Synonym: contour lines of Owen. (05 Mar 2000) |
| height of contour | See: height of contour. (05 Mar 2000) |
| flange contour | The design of the flange of a denture. (05 Mar 2000) |
| boat bug | <zoology> An aquatic hemipterous insect of the genus Notonecta; so called from swimming on its back, which gives it the appearance of a little boat. Synonym: boat fly, boat insect, boatman, and water boatman. Source: Websters Dictionary (01 Mar 1998) |
| boat conformation | See: Haworth conformational formulas of cyclic sugars. (05 Mar 2000) |
| boat form | The less stable of two conformations assumed by 6-membered cyclic sugars (pyranoses) or cyclohexane derivatives, as opposed to chair form. See: Haworth conformational formulas of cyclic sugars. (05 Mar 2000) |
| boat shell | <zoology> A marine gastropod of the genus Crepidula. The species are numerous. It is so named from its form and interior deck. A marine univalve shell of the genus Cymba. Source: Websters Dictionary (01 Mar 1998) |
| boat-tail | <zoology> A large grackle or blackbird (Quiscalus major), found in the Southern United States. Source: Websters Dictionary (01 Mar 1998) |
| hatch-boat | A vessel whose deck consists almost wholly of movable hatches; used mostly in the fisheries. Source: Websters Dictionary (01 Mar 1998) |
| band-shaped keratopathy | A horizontal, gray, interpalpebral opacity of the cornea that begins at the periphery and progresses centrally; occurs in hypercalcaemia, chronic iridocyclitis, and Still's disease. (05 Mar 2000) |