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Etymology

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Blend of nona- +‎ polyomino

Noun

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nonomino (plural nonominoes)

  1. (geometry) A polyomino made up of nine squares.

Synonyms

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n squares name
1 squares monomino
2 squares domino
3 squares tromino or triomino
4 squares tetromino
5 squares pentomino
6 squares hexomino
7 squares heptomino
8 squares octomino
9 squares nonomino or enneomino
10 squares decomino
11 squares undecomino
12 squares dodecomino
n squares n-omino
unspecified number
squares
polyomino