- noting two points in a plane such that the line segment joining the points is bisected by an axis: Points (1, 1) and (1, −1) are symmetrical with respect to the x-axis.
- noting a set consisting of pairs of points having this relation with respect to the same axis.
- noting two points in a plane such that the line segment joining the points is bisected by a point or center: The points (1, 1) and (−1, −1) are symmetrical with respect to (0, 0).
- noting a set consisting of pairs of points having this relation with respect to the same center.
- noting a square matrix that is equal to its transpose.
- noting a dyad or dyadic that is equal to its conjugate.
- noting a relation in which one element in relation to a second implies the second in relation to the first.
- divisible into two similar parts by more than one plane passing through the center; actinomorphic.
- (of a flower) having the same number of parts in each whorl.
- having a structure that exhibits a regular repeated pattern of the component parts.
- noting a benzene derivative in which three substitutions have occurred at alternate carbon atoms.
- symmetric difference,
- symmetric function,
- symmetric group,
- symmetric matrix,
- symmetrical gangrene,
- symmetry element,
- symmetry plane
Origin of symmetrical
Examples from the Web for unsymmetrical
When leaves are unsymmetrical, like the begonias, the pattern is unsymmetrical also.Colouration in Animals and Plants|Alfred Tylor
It is unsymmetrical, and a much larger number of its cells are found collected at one end than at the other.The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
These consist of ladle-shaped vessels, and of bowls or basins with rectangular, oval, or unsymmetrical outlines.Ancient Pottery of the Mississippi Valley|William H. Holmes
Nearly all are bottles with handles and lobed bodies, often unsymmetrical.Pottery of the ancient Pueblos. (1886 N 04 / 1882-1883 (pages 257-360))|William Henry Holmes
The basal rugosity or root is conical, thicker than the rest of the tooth, and unsymmetrical, being somewhat directed backward.The Beaked Whales of the Family Ziphidae|Frederick True
- (of two points) capable of being joined by a line that is bisected by a given point or bisected perpendicularly by a given line or planethe points ( x, y ) and ( –x, –y ) are symmetrical about the origin
- (of a configuration) having pairs of points that are symmetrical about a given point, line, or planea circle is symmetrical about a diameter
- (of an equation or function of two or more variables) remaining unchanged in form after an interchange of two variablesx + y = z is a symmetrical equation