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directrixes
Variant of directrix
noun pl. directrixes or directrices
- Rare a woman director
- Geom.
- a fixed line associated with a conic section and its focus and eccentricity
- the curve that bounds the base of a cone or cylinder
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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