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

analemma Usage Examples

Converse of object

  • show: The diagram shows an analemma for a location about three degrees west of the time meridian.