analemma


an·a·lem·ma

noun \ˌa-nə-ˈle-mə\

Definition of ANALEMMA

:  a plot or graph of the position of the sun in the sky at a certain time of day (as noon) at one locale measured throughout the year that has the shape of a figure 8; also :  a scale (as on a globe or sundial) based on such a plot that shows the sun's position for each day of the year or that allows local mean time to be determined
an·a·lem·mat·ic \ˌa-nə-le-ˈma-tik, -lə-\ adjective

Origin of ANALEMMA

Latin, sundial on a pedestal, from Greek analēmma, lofty structure, sundial, from analambanein to take up, restore, from ana- + lambanein to take — more at latch
First Known Use: 1832

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