petersen graph
Word Rarity
Rare
Frequency: Zipf frequency 3.10 in modern English
21
Scrabble Score
13
Letters
3
Syllables
9
Unique Chars
Meaning
noun
An undirected graph with 10 vertices and 15 edges, serving as a simple example and counterexample for many problems in graph theory.
Etymology
Named after Julius Petersen, who in 1898 constructed it to be the smallest bridgeless cubic graph with no three-edge-coloring.