The story
From pentangular + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.
pentangularity
Today it means: The quality of being pentangular (having 5 angles, corners, or sides). Full definition →
Today it means: The quality of being pentangular (having 5 angles, corners, or sides). Full definition →
From pentangular + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.