ellipse
/ɪˈlɪps/ nom C2En français : ellipse
- A closed curve, the locus of a point such that the sum of the distances from that point to two other fixed points (called the foci of the ellipse) is constant; equivalently, the conic section that is the intersection of a cone with a plane that does not intersect the base of the cone. · Near-synonym: oval (synonymous in non-technical use)
Pluriel ellipses
Dans la bibliothèque
Well, by means of these lines, which are in accordance with the double motion of the earth, and the ellipse it describes round the sun, I am enabled to ascertain the precise hour with more minuteness than if I possessed a watch; for that might be broken or deranged in its movements, while the sun and earth never vary in their appointed paths.”
Autres résultats
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