parabolic

1 [par-uh-bol-ik]
adjective
1.
having the form or outline of a parabola.
2.
having a longitudinal section in the form of a paraboloid or parabola: a parabolic reflector.
3.
of, pertaining to, or resembling a parabola.

Origin:
1695–1705; parabol(a) + -ic

Dictionary.com Unabridged

parabolic

2 [par-uh-bol-ik]
adjective
of, pertaining to, or involving a parable.
Also, parabolical.


Origin:
1650–60; < Late Latin parabolicus metaphoric < Late Greek parabolikós figurative, equivalent to Greek parabol() parable + -ikos -ic

parabolicalism, noun
parabolically, adverb
nonparabolical, adjective
nonparabolically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
parabolic1 (ˌpærəˈbɒlɪk)
 
adj
1.  of, relating to, or shaped like a parabola
2.  shaped like a paraboloid: a parabolic mirror

parabolic or parabolical2 (ˌpærəˈbɒlɪk)
 
adj
of or resembling a parable
 
parabolical or parabolical2
 
adj
 
para'bolically or parabolical2
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
There is some controversy over who first placed parabolic mirrors behind flames
  to boost candlepower.
We're also experimenting with parabolic mirrors for browning.
The two main types of solar farm are photovoltaic and parabolic.
These would be collected by gigantic parabolic antennae, likely to be located
  in restricted areas at sea or on dam reservoirs.
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