octomino

O1C3T1O1M3I1N1O1
UK/ɒkˈtɒmɪnəʊ/US/ɑkˈtɑməˌnoʊ/

noun

A polyomino consisting of eight squares.

Similar
8-omino
OriginEnglish octo- ← Latin octō ← Proto-Italic *oktō →
Scrabble 12
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Meanings

nounoctomino (plural octominoes)

plural octominoes

  1. geometryA polyomino consisting of eight squares.

    Synonyms: 8-omino

Synonyms & antonyms

nounA polyomino consisting of eight squares.

Similar
8-omino
Also see
8-omino

Origin

  1. Proto-Indo-European*oḱtṓw
  2. Proto-Hellenic*oktṓ
  3. Ancient Greekὀκτώ (oktṓ)
  4. Proto-Indo-European*oḱtṓw
  5. Proto-Italic*oktō
  6. Latinoctō
  7. Englishocto-
  8. Englishoctomino

From octo- + -omino.

Full word history & related roots →

Rhymes & wordplay

Rhymes with octomino

dominoheptominohexominomonominononomino-ominopentominopolyominotetrominotriominotromino
All rhymes →
Cite this entry
APA

octomino. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/octomino

MLA

“octomino.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/octomino. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “octomino,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/octomino.

Source: octomino on Wiktionary, CC BY-SA 4.0.