Perpendicular
- Adjective. (architecture) Of a style of English Gothic architecture from the fourteenth and fifteenth centuries.
- Adjective. (geometry) At or forming a right angle (to).
- Noun. (geometry) A line or plane that is perpendicular to another.
- Noun. A device such as a plumb line that is used in making or marking a perpendicular line.
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This entry was last updated on RefTopia from its source on 3/20/2012.