Definitions for "Diagonal"
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.
A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.
A line segment connecting two nonadjacent vertices in a polygon.
In a refractor or catadioptric telescope, a mirror or prism used with that is used to turn the viewing axis 90 or 45 degrees to make it easier to veiw from behind the scope. In a Newtonian telescope, a diagonal is the mirror placed near the front of the telescope that reflects the collected light out the side of the tube, where the focuser and eyepiece are located.
A diagonal is a mirror (or sometimes a prism) placed in the optical path of a telescope which reflects incoming light at a 90-degree angle in order to bring the light to a convenient position. back to the top
An optic accessory with a mirror or prism used to place an eyepiece in a comfortable position for the observer using a telescope and to re-arrange the orientation of the image.
A member, in a framed structure, running obliquely across a panel.
A member running obliquely across the panel of a truss. Any oblique line.
an oblique line of squares of the same color on a checkerboard; "the bishop moves on the diagonals"
(1) An arrangement of objects or numbers from upper left to lower right or from lower left to upper right in an array or table.
A diagonal matrix has its only non-zero elements on the main diagonal.
(mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry
A diagonal cloth; a kind of cloth having diagonal stripes, ridges, or welts made in the weaving.
Extract diagonal into column vector
a punctuation mark (/) used to separate related items of information
Represents a “/ ” in transmission of information