analemma Hear it!

analemma definition

ana·lemma (an′ə lem′ə)

noun

a curve in the form of an elongated marked with a scale, drawn on a globe of the earth to show the sun's declination and the equation of time for any day of the year: formed by plotting the sun's actual daily position at noon (mean solar time) for a year

Etymology: L, a sundial showing latitude and meridian < Gr analēmma, a support, substructure < analambanein: see analeptic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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