Fine Art

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Lentoid is a geometric shape of a three-dimensional body, best described as a circle viewed from one direction and a convex lens viewed from an orthogonal direction. The term is most often used in describing jewelry and cellular phenomena in microbiology.

In history

Since ancient times, the lentoid shape has been used to fashion jewelry and seals for identification made from a variety of gemstones and metals. In Minoan Crete, for example, seals have been found with complex carving on lentoid stones.[1] The lentoid shape was one of the most commonly recovered seal shapes from Minoan Knossos on Crete dating to the Bronze Age, as evidenced by the finds at that Bronze Age palace.[2]

See also

Disc
Oblate sphere
Spheroid

References

Timeline of Art History: Lentoid seal with a griffin, Minoan Crete
C. Michael Hogan, Knossos fieldnotes, Modern Antiquarian (2007)

Undergraduate Texts in Mathematics

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Graduate Studies in Mathematics

Mathematics Encyclopedia

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