parabolic

From The Collaborative International Dictionary of English v.0.48 [gcide]:

**Parabolic** \Par'a*bol"ic\, Parabolical \Par'a*bol"ic*al\, adjective [Gr.
paraboliko's figurative: cf. F. parabolique. See {Parable}.]

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

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.

From WordNet (r) 3.0 (2006) [wn]:

adjective

1: resembling or expressed by parables [syn: {**parabolic**},
{parabolical}]

2: having the form of a parabola [syn: {**parabolic**},
{parabolical}]

The dictionary definitions are retrieved from a local copy of two of the open source __ DICT__ dictionaries. Click

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Monday, March 2, 2015 4:33:05 PM Coordinated Universal Time (UTC)

DEFINE.COM_parabolic_2015-03-02_16-33-05_54-89-29-27