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Vertical   /vˈərtɪkəl/   Listen
adjective
Vertical  adj.  
1.
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."
2.
Perpendicular to the plane of the horizon; upright; plumb; as, a vertical line.
Vertical angle (Astron. & Geod.), 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 (Bot.), such anthers as stand erect at the top of the filaments.
Vertical circle (Astron.), an azimuth circle. See under Azimuth.
Vertical drill, an upright drill. See under Upright.
Vertical fire (Mil.), the fire, as of mortars, at high angles of elevation.
Vertical leaves (Bot.), 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)
(Dialing) A line perpendicular to the horizon.
(b)
(Conic Sections) A right line drawn on the vertical plane, and passing through the vertex of the cone.
(c)
(Surv.) The direction of a plumb line; a line normal to the surface of still water.
(d)
(Geom., Drawing, etc.) A line parallel to the sides of a page or sheet, in distinction from a horizontal line parallel to the top or bottom.
Vertical plane.
(a)
(Conic Sections) A plane passing through the vertex of a cone, and through its axis.
(b)
(Projections) Any plane which passes through a vertical line.
(c)
(Persp.) The plane passing through the point of sight, and perpendicular to the ground plane, and also to the picture.
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.



noun
Vertical  n.  
1.
Vertical position; zenith. (R.)
2.
(Math.) A vertical line, plane, or circle.
Prime vertical, Prime vertical dial. See under Prime, a.






Collaborative International Dictionary of English 0.48








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"Vertical" Quotes from Famous Books



... hundred feet in height. Through it winds the Yumuri River. It is best seen in the early forenoon, or the late afternoon, when there come the shadows and the lights that are largely killed by the more vertical rays of a midday sun. At those hours, it is a scene of entrancing loveliness. There are views, elsewhere, covering wider expanses, but none, I ...
— Cuba, Old and New • Albert Gardner Robinson

... founded upon a double symmetry, includes the highest possibilities of animal organization, there is a certain monotony of structure in the Radiate plan, in which the body is divided into a number of identical parts, bearing definite relations to a central vertical axis. But while all admit that Vertebrates are highest and Radiates lowest, how do the Articulates and Mollusks stand to these and to each other? To me it seems, that, while both are decidedly superior to the Radiates ...
— The Atlantic Monthly, Vol. IX., March, 1862., No. LIII. - A Magazine Of Literature, Art, And Politics, • Various

... the receiving end was so manipulated by the electrical impulses that a ray of light reflected from the surface of the mirror actually wrote the message upon sensitized paper, like a pencil, in a fair handwriting. In another the receiving apparatus printed vertical, horizontal, and slanting lines in such manner that they combined to make letters, rather angular, it ...
— Masters of Space - Morse, Thompson, Bell, Marconi, Carty • Walter Kellogg Towers

... one. Here a group of some fifty men were watching the sky, obviously waiting. Others stood around, watching them and avoiding looking up. Almost directly overhead, there was a rent place where the strange absence of color or feature indicated a hole in the dome over them. As it drew nearer true vertical, a chanting began among the men with up-turned faces. Their hands went upwards, fingers spread and curled into an unnatural position. Then ...
— The Sky Is Falling • Lester del Rey

... vessels of the lids, so as to draw them up, and allow the rain to replenish the pitchers. Mr. Brown also, who had an opportunity in 1801 of examining plants fully grown, supposes it probable that the vertical or horizontal positions in which the opercula were remarked, are determined by the state of the atmosphere, at the same time that he thinks it possible that the fluid may be a secretion of the plant. ...
— Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2] • Phillip Parker King


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