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View synonyms for octagonal

octagonal

[ ok-tag-uh-nl ]

adjective

  1. having eight angles and eight sides.


octagonal

/ ɒkˈtæɡənəl /

adjective

  1. having eight sides and eight angles
  2. of or relating to an octagon
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Derived Forms

  • ocˈtagonally, adverb
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Other Words From

  • oc·tago·nal·ly adverb
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Word History and Origins

Origin of octagonal1

1565–75; octagon + -al 1, replacing earlier octogonal < New Latin octōgōnālis, equivalent to octō- octo- + Greek gōn ( ía ) angle + -ālis -al 1
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Example Sentences

By generation 36, it was clear that the pattern was not circular but rather octagonal.

At the University of Reading farm, the researchers laid out about 26-foot octagonal rings.

Later, the square tower was crowned with an octagonal turret, sometimes with a conical roof, as in Cremona and Modena cathedrals.

The angles are emphasized by octagonal projections, the panelling of which seems to have ruled that of the whole structure.

In the 16th century an octagonal lantern in two strings crowned with a conical roof was added.

An octagonal tower of two storeys rises above the corbelled eaves.

In the center of this is an octagonal area inclosed by a second line of ramparts or walls.

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