Hypertext Webster Gateway: "perpendicularity"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Perpendicularity \Per`pen*dic`u*lar"i*ty\, n. [Cf. F.
perpendicularit['e].]
The quality or state of being perpendicular.
From WordNet (r) 1.7 (wn)
perpendicularity
n 1: the relation of opposition between things at right angles
[syn: {orthogonality}, {orthogonal opposition}]
2: the quality of being at right angles to a given line or
plane (especially the plane of the horizon)
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.