Gnomon

usgb/ˈnoʊmən/
noun

A gnomon is the part of a sundial that is used to cast a shadow, helping to indicate the time.

On a sunny day, the gnomon of the sundial shows the current time accurately.
Visual representation of "gnomon" - A gnomon is the part of a sundial that is used to cast a shadow, helping to indicate the time.

Often appears as...

  • sundial gnomon
  • gnomon casting shadow

Usage tips

Neutral

sundial, shadow, time

Definition 1 of 2
Visual representation of "gnomon"
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Formal use

In formal discussions about timekeeping, the term gnomon highlights precision.

Illustration for Formal use
The gnomon of the sundial must be properly oriented for accurate time.
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Technical definition

In mathematics, understanding the gnomon can convey complex spatial relationships.

Illustration for Technical definition
The gnomon in geometry serves significant calculation purposes.
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Cultural reference

In ancient cultures, the gnomon was crucial for determining seasons.

Illustration for Cultural reference
The gnomon was central to ancient astronomy.
Visual representation of the word "Gnomon"

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