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loxodrome - 5 dictionary results

lox⋅o⋅drome

  [lok-suh-drohm]
Use loxodrome in a Sentence
–noun
rhumb line.
Origin:
1875–80; back formation from loxodromic

rhumb line

 
–noun
a curve on the surface of a sphere that cuts all meridians at the same angle. It is the path taken by a vessel or aircraft that maintains a constant compass direction.
Also called loxodrome, rhumb.

Origin:
1660–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To loxodrome
lox·o·drome   (lŏk'sə-drōm')   
n.  See rhumb line.

[Greek loxos, slanting + Greek dromos, course.]
lox'o·drom'ic (-drŏm'ĭk), lox'o·drom'i·cal (-ĭ-kəl) adj., lox'o·drom'i·cal·ly adv.
rhumb line  
n.  The path of a ship that maintains a fixed compass direction, shown on a map as a line crossing all meridians at the same angle. Also called loxodrome.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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loxodrome

curve cutting the meridians of a sphere at a constant nonright angle. Thus, it may be seen as the path of a ship sailing always oblique to the meridian and directed always to the same point of the compass. Pedro Nunes, who first conceived the curve (1550), mistakenly believed it to be the shortest path joining two points on a sphere (see great circle route). Any ship following such a course would, because of convergence of meridians on the poles, travel around the Earth on a spiral that approaches one of the poles as a limit. On a Mercator projection such a line (rhumb line) would be straight. Rhumb lines are used to simplify small-scale charting

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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