SG Heritage Dictionary

Truncated [Participle passive] Webster's Dictionary 1828

1. Cut off; cut short; maimed. A truncated cone is one whose vertex is cut off by a plane parallel to its base.

2. Appearing as if cut off; plane; having no edge; as a mineral substance.

Truncated [Adjective] Webster's Dictionary 1913

1. Cut off; cut short; maimed.

2. Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge.

3. Lacking the apex; -- said of certain spiral shells in which the apex naturally drops off.

Truncated [Imperfect tense and past participle] Webster's Dictionary 1913