Analemma Definition
ănə-lĕmə
noun
A graduated scale in the shape of a figure eight, indicating the sun's declination and the equation of time for every day of the year, often found on sundials and globes.
American Heritage
A curve in the form of an elongated 8 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.
Webster's New World
An egg-shaped or figure-eight curve that results when the Sun's position in the sky is plotted out over the year at the same hour of mean solar time every day.
Wiktionary
Other Word Forms of Analemma
Noun
Singular:
analemma
Plural:
analemmas, analemmataOrigin of Analemma
-
Latin sundial from Greek analēmma from analambanein to take up analeptic
From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek ἀνάλημμα (analēmma, “pedestal of a sundial”).
From Wiktionary
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