Meaning of ELLIPSE in English

ELLIPSE

ə̇ˈlips, eˈ-, ēˈ- noun

( -s )

Etymology: alteration of ellipsis

1. : an elongated circle : a regular oval ; specifically : a closed plane curve generated by a point so moving that its distance from a fixed point divided by its distance from a fixed line is a positive constant less than 1

2. : ellipsis

[s]ellipse.jpg[/s] [

ellipse 1: French, F' foci; P, P', P'' any point on the curve; FP + PF' = FP'' + P''F' = FP' + P'F'

]

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.