bn:00061686n
Noun Concept
Categories: Elementary geometry, Articles with short description, Orientation (geometry)
EN
perpendicularity
EN
The quality of being at right angles to a given line or plane (especially the plane of the horizon) WordNet 3.0
Definitions
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Sources
EN
The quality of being at right angles to a given line or plane (especially the plane of the horizon) WordNet 3.0 & WordNet 2020
WordNet 3.0 & WordNet 2020
Wikipedia Redirections