{ } a. [ Cf. F. paragogique. ] Of, pertaining to, or constituting, a paragoge; added to the end of, or serving to lengthen, a word. [ 1913 Webster ]

Paragogic letters, in the Semitic languages, letters which are added to the ordinary forms of words, to express additional emphasis, or some change in the sense. [ 1913 Webster ]

{ } a. [ Gr. paraboliko`s figurative: cf. F. parabolique. See Parable. ] [ 1913 Webster ]

1. Of the nature of a parable; expressed by a parable or figure; allegorical; as, parabolical instruction. [ 1913 Webster ]

2. [ From Parabola. ] (Geom.) (a) Having the form or nature of a parabola; pertaining to, or resembling, a parabola; as, a parabolic curve. (b) Having a form like that generated by the revolution of a parabola, or by a line that moves on a parabola as a directing curve; as, a parabolic conoid; a parabolic reflector; a parabolic antenna. [ 1913 Webster +PJC ]

Parabolic conoid, a paraboloid; a conoid whose directing curve is a parabola. See Conoid. --
Parabolic mirror (Opt.), 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. [ 1913 Webster ]

adv. 1. By way of parable; in a parabolic manner. [ 1913 Webster ]

2. In the form of a parabola. [ 1913 Webster ]

{ } a. [ Gr. paraboliko`s figurative: cf. F. parabolique. See Parable. ] [ 1913 Webster ]

1. Of the nature of a parable; expressed by a parable or figure; allegorical; as, parabolical instruction. [ 1913 Webster ]

2. [ From Parabola. ] (Geom.) (a) Having the form or nature of a parabola; pertaining to, or resembling, a parabola; as, a parabolic curve. (b) Having a form like that generated by the revolution of a parabola, or by a line that moves on a parabola as a directing curve; as, a parabolic conoid; a parabolic reflector; a parabolic antenna. [ 1913 Webster +PJC ]

Parabolic conoid, a paraboloid; a conoid whose directing curve is a parabola. See Conoid. --
Parabolic mirror (Opt.), 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. [ 1913 Webster ]

adv. 1. By way of parable; in a parabolic manner. [ 1913 Webster ]

2. In the form of a parabola. [ 1913 Webster ]