Did you perhaps mean one of these? palomino, polyamine
- poly- + (d)omino, as if the d were for di-, two, a domino being made up of two squares (Wiktionary)
“Most puzzle designs also require that all white cells be orthogonally contiguous (that is, connected in one mass through shared sides, to form a single polyomino).”
KDE UserBase - Recent changes [en]
“A classic book on polyomino puzzles of all types is Solomon W. Golomb's”
These user-created lists contain the word ‘polyomino’.
cicatrix, senescence, varicose, gestalt, glossolalia, synesthesia, hypolactasia, hemoglobin, ametabolic, eutrophic, eutrophication, cryptid and 35 more...
affect, deleterious, nuance, pliant, verbatim, pertinent, latter, municipality, provincial, voyeuristic, circumlocution, wane and 798 more...