| perpendicularity | (n) the quality of being at right angles to a given line or plane (especially the plane of the horizon) |
| Perpendicularity | n. [ Cf. F. perpendicularité. ] The quality or state of being perpendicular. [ 1913 Webster ] |
| 矩 | [く, ku] (n) (1) (arch) (See 矩尺) carpenter's square; (2) perpendicularity; straightness; (3) model; standard #16,986 [Add to Longdo] |