Vertical /(?)/
Ver·ti·cal
Vertical
a.
-
Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one.
Charity . . . is the vertical top of all religion.
- Perpendicular to the plane of the horizon; upright; plumb; as, a vertical line.
Phrases & Compounds
- Vertical angle
- an angle measured on a vertical circle, called an angle of elevation, or altitude, when reckoned from the horizon upward, and of depression when downward below the horizon.
- Vertical anthers
- such anthers as stand erect at the top of the filaments.
- Vertical circle
- an azimuth circle. See under Azimuth.
- Vertical drill
- an upright drill. See under Upright.
- Vertical fire
- the fire, as of mortars, at high angles of elevation.
- Vertical leaves
- leaves which present their edges to the earth and the sky, and their faces to the horizon, as in the Australian species of Eucalyptus.
- Vertical limb
- a graduated arc attached to an instrument, as a theodolite, for measuring vertical angles.
- Vertical line
- A line perpendicular to the horizon.
- Vertical plane
- A plane passing through the vertex of a cone, and through its axis.
- Vertical sash
- a sash sliding up and down. Cf. French sash, under 3d Sash.
- Vertical steam engine
- a steam engine having the crank shaft vertically above or below a vertical cylinder.
Vertical
n.
- Vertical position; zenith. [R.]
- A vertical line, plane, or circle. (Math.)
Phrases & Compounds
- Prime vertical
- See under Prime, a.