parabola

noun parabola

• camber — A camber is a gradual downward slope from the centre of a road to each side of it.
• catenary — the curve assumed by a heavy uniform flexible cord hanging freely from two points. When symmetrical about the y-axis and intersecting it at y = a, the equation is y = a cosh x/a
• chord — A chord is a number of musical notes played or sung at the same time with a pleasing effect.
• curlicue — Curlicues are decorative twists and curls, usually carved or made with a pen.
• curve — A curve is a smooth, gradually bending line, for example part of the edge of a circle.