polygon

Meanings

1. 1
   noun

   a closed plane figure bounded by three or more straight sides

   A regular polygon has equal sides and equal angles.

2. 2
   noun

   in computer graphics, a flat many-sided face used as part of a model or mesh

   The artist reduced the polygon count so the model would render faster.

From Ancient Greek polygōnon, formed from polys ("many") + gōnia ("angle"). The geometric term later supplied the computer-graphics sense for each flat face in a three-dimensional mesh.

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