A 4-variable Karnaugh map can be thought of, topologically, as being a torus.
Source: wiktionary
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A 4-variable Karnaugh map can be thought of, topologically, as being a torus.
Source: wiktionary
While there is a hereditary component to tori, this does not explain all cases. Tori tend to appear more frequently during middle age of life; the torus palatinus is more commonly observed in females, but this is not the case with the torus mandibularis. Certain ethnic groups are more prone to one torus or the other.
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.