- See Also:
- - OCS
  - Oct
  - oct-
  - octa-
  - octachord
  - octad
  - octadecanoic acid
  - octagon
  - octagon house
  - octagon scale
  - octagonal
  - octahedral
  - octahedrite
  - octahedron
  - octal
  - octal notation
  - octamer
  - octamerous
  - octameter
  - octan
  - octane
- Recent searches:
- View All

octagonal

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ɒkˈtægən^əl/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ɑkˈtægənəl/ ,USA pronunciation: respelling(ok tag′ə nl)

oc•tag•o•nal (ok tag′ə nl),USA pronunciation adj.

Mathematicshaving eight angles and eight sides.

Neo-Latin octōgōnālis, equivalent. to octō- octo- + Greek gōn(ía) angle + -ālis -al¹
octagon + -al, replacing earlier octogonal 1565–75

oc•tag′o•nal•ly, adv.

Collins Concise English Dictionary © HarperCollins Publishers::

octagonal /ɒkˈtæɡən^əl/ adj

having eight sides and eight angles
of or relating to an octagon

oc•ta•gon /ˈɑktəˌgɑn, -gən/USA pronunciation n. [countable]

Mathematicsa flat, geometrical shape or figure having eight angles and eight sides.

oc•tag•o•nal /ɑkˈtægənəl/USA pronunciation adj. See -gon-.

oc•ta•gon (ok′tə gon′, -gən),USA pronunciation n.

Mathematicsa polygon having eight angles and eight sides. Also called octangle.

Greek oktágōnon, noun, nominal use of neuter of oktágōnos octangular; see octa-, -gon
Latin octagōnon
1650–60

'octagonal' also found in these entries (note: many are not synonyms or translations):

broach - coffer - octagon house - octagon scale - sgabello - shield - smock mill - squinch

Forum discussions with the word(s) "octagonal" in the title:

No titles with the word(s) "octagonal".

Visit the English Only Forum.
Help WordReference: Ask in the forums yourself.

Look up "octagonal" at Merriam-Webster
Look up "octagonal" at dictionary.com

Go to Preferences page and choose from different actions for taps or mouse clicks.

URL: https://www.wordreference.com/definition/octagonal

⇱ octagonal - WordReference.com Dictionary of English

octagonal