Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

Any polyhedron having eight plane faces.

edit
Usage examples (33)
  • A regular octahedron is a solid composed of eight equilateral triangles, four of which meet at each vertex.
  • “A tetragon that acts like an octahedron,” the Doctor said.
  • It said that the diamond is octahedron in shape and is expected to yield a high value.
  • Similarly, an icosahedron may be constructed inside the octahedron, at the concentric heart of the entire ensemble.
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.