truncated

Trun"ca*ted, a. 1. Cut off; cut short; maimed. 2. (Min.) Defn: Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge. 3. (Zoöl.) Defn: Lacking the apex; -- said of certain spiral shells in which the apex naturally drops off. Truncated cone or pyramid (Geom.), a cone or pyramid whose vertex is cut off by a plane, the plane being usually parallel to the base.

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