Definition:Tromino
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Definition
A tromino is a $3$-omino:
That is, it is a polyomino consisting of exactly $3$ unit squares.
Also known as
A tromino can also be called by the more unwieldy name triomino.
Linguistic Note
The word tromino is a back-formation from the word domino.
The prefix tr- comes from ancient Greek meaning $3$, while -omino suffix derives from the term polyomino, which is derived in turn from domino.
Sources
- Weisstein, Eric W. "Triomino." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Triomino.html