A Dictionary of the English Language
                        A Digital Edition of the 1755 Classic by Samuel Johnson
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Helioid Parabola

View Scan · View Transcription · from page 988

View Scan · View Transcription · from page 988

He'lioid Parabola, in mathematicks, or the parabolick spiral, is a curve which arises from the supposition of the axis of the common Apollonian parabola's being bent round into the periphery of a circle, and is a line then passing through the extremities of the ordinates, which do now converge towards the centre of the said circle. Harris.

Sources: Harris, John (31)

Attributes: None (44)

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Cite this page: Johnson, Samuel. "Helioid Parabola." A Dictionary of the English Language: A Digital Edition of the 1755 Classic by Samuel Johnson. Edited by Brandi Besalke. Last modified: April 27, 2014. http://johnsonsdictionaryonline.com/?p=20312.


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