Definition:Heptomino
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Definition
A heptomino is a $7$-omino:
That is, it is a polyomino consisting of exactly $7$ unit squares.
Linguistic Note
The word heptomino is a back-formation from the word domino.
The prefix hept- comes from ancient Greek meaning $7$, while -omino suffix derives from the term polyomino, which is derived in turn from domino.
Sources
- Weisstein, Eric W. "Heptomino." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Heptomino.html