DIAGONAL

diagonal. Diagonal, n. a line drawn from angle to angle

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Di‐ag″o‐nal (?), a. [[L. diagonalis, fr. Gr. � from to angle; διά through + � an angle; perh. akin to E. knee: cf. F. diagonal.]] (Geom.) Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides. Diagonal bond (Masonry), herringbone work. See Herringbone, a. — Diagonal built (Shipbuilding), built by forming the outer skin of two layers of planking, making angles of about 45° with the keel, in opposite directions. — Diagonal cleavage. See under Cleavage. — Diagonal molding (Arch.), a chevron or zigzag molding. — Diagonal rib. (Arch.) See Cross-springer. — Diagonal scale, a scale which consists of a set of parallel lines, with other lines crossing them obliquely, so that their intersections furnish smaller subdivisions of the unit of measure than could be conveniently marked on a plain scale. — Diagonal stratification. (Geol.) Same as Cross bedding, under Cross, a.