## diagonals

Noun

- plural form of
*diagonal*

- One form consists of adjustable
**diagonals**, rods or bars, properly fastened to the columns in the building; these**diagonals**may run through one floor and be attached to the columns at the floor above. - For the condition of equilibrium of forces not parallel is that they shall be represented in direction and magnitude by the sides and
**diagonals**of certain parallelograms, and of parallel forces that they shall divide certain straight lines in certain ratios; and the parallel projection of a parallelogram is a parallelogram, and that of a straight line divided in a given ratio is a straight line divided in the same ratio. - Consider, for example, a frame whose sides form the six sides of a hexagon ABCDEF and the three
**diagonals**AD, BE, CF; and suppose that it is required to find the stress in CF due to a given system of extraneous forces in equilibrium, acting on the joints. - The anthelion (a) may be explained as caused by two internal reflections of the solar rays by a hexagonal lamellar crystal, having its axis horizontal and one of the
**diagonals**of its base vertical. - 9), which, on transverse section, have the form of a cross constituting the two
**diagonals**of the rhombic or squarish pattern of the mineral.

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