directrix|directrices|directrixes in English

noun

fixed line associated with a parabola or another curve (Geometry); directress

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1. Construct a conic with this line as directrix

2. A conic with given directrix and focus, through a point

3. Select the conic of which you want to construct the directrix

4. • McNeill, R. and Tate, D.M. Lignes directrices sur la tarification de l'eau (Étude n° 25, Collection des sciences sociales)

5. The Conoid is a right Conoid, if its axis is perpendicular to its directrix plane.Hence all rulings are perpendicular to the axis.

6. The Conoid is a right Conoid, if its axis is perpendicular to its directrix plane.Hence all rulings are perpendicular to the axis.

7. In geometry a Conoid (Greek: κωνος cone and -ειδης similar) is a ruled surface, whose rulings (lines) fulfill the additional conditions (1) All rulings are parallel to a plane, the directrix plane

8. Credit: Wikipedia License: In geometry a Conoid is a ruled surface, whose rulings (lines) fulfill the additional conditions (1) All rulings are parallel to a plane, the directrix plane

9. Any Conic may be determined by three characteristics: a single focus, a fixed line called the directrix, and the ratio of the distances of each to a point on the graph.Consider the parabola \(x=2+y^2\) shown in Figure \(\PageIndex{2}\).

10. Le Comité de Bâle publie, ce jour, aux fins de consultation, des lignes directrices en rapport avec la comptabilisation des pertes de crédit Attendues.Il y définit, en onze principes fondamentaux, les attentes des autorités de contrôle à l'égard des banques s'agissant de saines pratiques en matière de risque de crédit dans le contexte de l'introduction et l'application de modèles

11. MILAZZO is deeply rooted into prehistoric times and was slowly built up along a sinuous and variegated dorsal that stretches out into the Tyrrhenian Sea for 7 km after the earth movements that formed the bold outline of its promontory on the directrix of the Aeolian Islands. Thanks to the splendid climate, the superb, restful panorama of the Archipelago, standing out on the horizon in a myriad of light and colour, can nearly always be seen from here.