名詞 parabola:

1. a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve

pa.rab.o.la

n.（名詞）
A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the cone.
拋物線：一個(gè)直立圓錐和平行于該錐體中軸的平面相交形成的平面曲線
A plane curve formed by the locus of points equidistant from a fixed line and a fixed point not on the line.
拋物線：到一固定直線和不在直線上某一固定點(diǎn)等距的點(diǎn)的軌跡所形成的平面曲線

來源：
New Latin
現(xiàn)代拉丁語(yǔ)
from Greek parabolô [comparison, application, parabola (from the relationship between the line joining the vertices of a conic and the line through its focus and parallel to its directrix)]
源自 希臘語(yǔ) parabolô [比較，運(yùn)用，拋物線（源于連結(jié)圓錐曲線各頂點(diǎn)的直線與過圓錐曲線焦點(diǎn)并平行于準(zhǔn)線的直線二者之間的關(guān)系）]
from paraballein [to compare] * see parable
源自 paraballein [作比較] *參見 parable