polyiamond
English
3 different polyiamonds consisting of four triangles.
Etymology
Blend of poly- + diamond, the polyiamond made up of two triangles being a diamond or rhombus.
Noun
polyiamond (plural polyiamonds)
- (geometry) A polyform made by joining one or more equilateral triangles edge to edge in various arrangements. Every polyiamond corresponds to a polyhex,
Synonyms
Derived terms
Derived terms
| Name | Number of forms | Forms | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| moniamond | 1 |
| ||||||||||||
| diamond | 1 |
| ||||||||||||
| triamond | 1 |
| ||||||||||||
| tetriamond | 3 |
| ||||||||||||
| pentiamond | 4 |
| ||||||||||||
| hexiamond | 12 |
| ||||||||||||
Some authors also call the diamond (rhombus with a 60° angle) a calisson after the French sweet of similar shape.
Anagrams
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.