parabola
Use Parabola in a sentence
ə
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To parabola
Collins
World English Dictionary
parabola (pəˈræbələ) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| a conic section formed by the intersection of a cone by a plane parallel to its side. Standard equation: y² = 4ax, where 2a is the distance between focus and directrix | |
| [C16: via New Latin from Greek parabolē a setting alongside; see | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Parabola
is always a great word to know.
So is zedonk. Does it mean:
| the offspring of a zebra and a donkey. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
Etymonline
Word Origin & History
parabola
1570s, from Gk. parabole "parabola, application" (see parable), so called by Apollonius of Perga c.210 B.C.E. because it is produced by "application" of a given area to a given straight line. It had a different sense in Pythagorean geometry. Related: Parabolic.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
parabola (pə-rāb'ə-lə) Pronunciation Key
(click for larger image in new window) The curve formed by the set of points in a plane that are all equally distant from both a given line (called the directrix) and a given point (called the focus) that is not on the line. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
parabola [(puh-rab-uh-luh)]A geometrical shape (see geometry) consisting of a single bend and two lines going off to an infinite distance.
Note: An object that is propelled away from the Earth and then drawn back by gravity, such as a fly ball in baseball, follows a path shaped like a parabola.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
The values of a, b, and c determine where the parabola is positioned in the plane and whether it opens up or down.
Some people are disappointed because the top of the parabola isn't all that high.
The white ball sails into the sparkling air in a high parabola and vanishes over the fence, again.
The tip of the parabola will, mathematically, be a singularity.
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