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
Origin of analemmaL, a sundial showing latitude and meridian from Classical Greek anal?mma, a support, substructure from analambanein: see analeptic
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.
Origin of analemmaLatin sundial from Greek analēmma from analambanein to take up ; see analeptic .
(plural analemmas or analemmata)
- 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.
From Ancient Greek ἀνάλημμα (analēmma, “pedestal of a sundial”).