English

Noun

perpendicularity ‎(uncountable)

1. The condition of being perpendicular.
   • 1945 May, George Orwell, chapter 6, in Animal Farm: A Fairy Story, London: Secker & Warburg, OCLC 3655473:

     In their spare moments the animals would walk round and round the half-finished mill, admiring the strength and perpendicularity of its walls and marvelling that they should ever have been able to build anything so imposing.

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