Basal ridge
a u -shaped ridge at the base of the posterior surface of the crown of a tooth.
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- Basal rod
basal rod basal rod n. see costa. historical examples but in the eutympanida both rings exhibit one simple gate only, the apical and the basal rod of the sagittal ring being lost. report on the radiolaria collected by h.m.s. challenger during the years 1873-1876, second part: subcl-ss osculosa; index ernst haeckel the distance of the […]
- Basal vein
basal vein basal vein n. a large vein p-ssing caudally and dorsally along the medial surface of the temporal lobe and emptying into the great cerebral vein from the lateral side.
- Basal-cell nevus syndrome
basal-cell nevus syndrome basal-cell nevus syndrome n. an inherited syndrome marked by the presence of numerous basal-cell carcinomas of the skin, cysts of the jawbones, erythematous pitting of the palms and soles, and often skeletal anomalies. also called gorlin’s syndrome.
- Basaltware
a type of unglazed stoneware, usually black with a dull gloss, developed by josiah wedgwood. noun hard fine-grained black stoneware, made in europe, esp in england, in the late 18th century
- Basalt's
the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. noun a fine-grained dark basic igneous rock consisting of plagioclase feldspar, a pyroxene, and olivine: the most common volcanic rock and usually extrusive see flood basalt a form of black unglazed […]