- 1
Standing, pointing, or moving straight up or down; parallel to the local direction of gravity; along the direction of a plumb line; perpendicular to something horizontal.
- vertical lines
- 2
In a two-dimensional Cartesian co-ordinate system, describing the axis y oriented normal (perpendicular, at right angles) to the horizontal axis x.
- 3
In a three-dimensional co-ordinate system, describing the axis z oriented normal (perpendicular, orthogonal) to the basic plane xy.
- 4
Of or pertaining to vertical markets.
- 5
Involving different vintages of the same wine type from the same winery.
- 6
Of an interval: having the two notes sound simultaneously.
ant. horizontal