Parabolic /(?)/
Par·a·bol·ic
Parabolic
a.
- Of the nature of a parable; expressed by a parable or figure; allegorical; as, parabolical instruction.
- Having the form or nature of a parabola; pertaining to, or resembling, a parabola; as, a parabolic curve. (Geom.)
Phrases & Compounds
- Parabolic conoid
- a paraboloid; a conoid whose directing curve is a parabola. See Conoid.
- Parabolic mirror
- a mirror having a paraboloidal surface which gives for parallel rays (as those from very distant objects) images free from aberration. It is used in reflecting telescopes.
- Parabolic spindle
- the solid generated by revolving the portion of a parabola cut off by a line drawn at right angles to the axis of the curve, about that line as an axis.
- Parabolic spiral
- a spiral curve conceived to be formed by the periphery of a semiparabola when its axis is wrapped about a circle; also, any other spiral curve having an analogy to the parabola.