Gnomon

A gnomon ([ˈnoʊmɒn], from Greek γνώμων, gnōmōn, literally: "one that knows or examines") is the part of a sundial that casts the shadow.

The term has come to be used for a variety of purposes in mathematics and other fields.

See also

• Geometry
• Mathematics
• Shadow
• Sundial

External links

• Gnomon @ Wikipedia