About The Word Directrix
Learn about the word Directrix to help solve your crossword puzzle. Discover Directrix definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Directrix
| Directrix Definition And Meaning |
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What's The Definition Of Directrix?Synonyms | Synonyms for Directrix: Related Terms | Find terms related to Directrix: See Also | Directrix In Webster's Dictionary \Di*rect"rix\, n.; pl. E. {Directrixes}, L.
{Directrices}.
1. A directress. [R.] --Jer. Taylor.
2. (Geom.)
(a) A line along which a point in another line moves, or
which in any way governs the motion of the point and
determines the position of the curve generated by it;
the line along which the generatrix moves in
generating a surface.
(b) A straight line so situated with respect to a conic
section that the distance of any point of the curve
from it has a constant ratio to the distance of the
same point from the focus.
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