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| di·rec·trix [ di réktriks, dī réktriks ] (plural di·rec·trix·es or di·rec·tri·ces [ di réktri sz, d rek tr sz ]) |
noun |
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| Definition: |
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line used for creating geometrical figure: a fixed line used in constructing a curve or conic section, the distance from the line divided by the distance from a fixed point being identical for all points on the figure
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| [Early 16th century. < medieval Latin, feminine form of late Latin director (see director)] |
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