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analemma - 4 dictionary results

an⋅a⋅lem⋅ma

[an-l-em-uh]
–noun, plural an⋅a⋅lem⋅mas, an⋅a⋅lem⋅ma⋅ta [an-l-em-uh-tuh] .
a scale shaped like the figure 8, showing the declination of the sun and the equation of time for each day of the year.

Origin:
1645–55; < L: pedestal of a sundial, sundial < Gk análēmma support


an⋅a⋅lem⋅mat⋅ic [an-l-e-mat-ik] , adjective
an·a·lem·ma   (ān'ə-lěm'ə)   
n.  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 and usually found on sundials and globes.

[Latin, sundial, from Greek analēmma, from analambanein, to take up; see analeptic.]

Analemma

An`a*lem"ma\ (-l[e^]m"m[.a]), n. [L. analemma a sun dial on a pedestal, showing the latitude and meridian of a place, Gr. 'ana`lhmma a support, or thing supported, a sun dial, fr. 'analamba`nein to take up; 'ana` + lamba`nein to take.]

1. (Chem.) An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon.

2. An instrument of wood or brass, on which this projection of the sphere is made, having a movable horizon or cursor; -- formerly much used in solving some common astronomical problems.

3. A scale of the sun's declination for each day of the year, drawn across the torrid zone on an artificial terrestrial globe.

analemma 
1652, from L. analemma "the pedestal of a sundial," hence the sundial itself, from Gk. analemma "prop, support," from analambanein, from ana- "up" + lambanein "to take," from PIE base *(s)lagw- "to seize, take" (cf. Skt. labhate, rabhate "seizes," O.E. læccan "to seize, grasp;" Gk. lazomai "I take, grasp," O.C.S. leca "to catch, snare," Lith. lobis "possession, riches").
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