Adjacent Words

Horizontal definitions

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Webster's 1828 Dictionary

HORIZON'TAL, a. Pertaining to the horizon, or relating to it.
1. Parallel to the horizon; on a level; as a horizontal line or surface.
2. Near the horizon; as horizontal misty air.

WordNet (r) 3.0 (2005)

adj
1: parallel to or in the plane of the horizon or a base line; "a horizontal surface" [ant: inclined, perpendicular, vertical] n
1: something that is oriented horizontally

Merriam Webster's

adjective Date: 1555 1. a. of, relating to, or situated near the horizon b. parallel to, in the plane of, or operating in a plane parallel to the horizon or to a baseline ; level <horizontal distance> <a horizontal engine> 2. relating to, directed toward, or consisting of individuals or entities of similar status or on the same level <horizontal mergers> <horizontal hostility> • horizontal noun • horizontality noun • horizontally adverb

Oxford Reference Dictionary

adj. & n. --adj. 1 a parallel to the plane of the horizon, at right angles to the vertical (horizontal plane). b (of machinery etc.) having its parts working in a horizontal direction. 2 a combining firms engaged in the same stage of production (horizontal integration). b involving social groups of equal status etc. 3 of or at the horizon. --n. a horizontal line, plane, etc. Derivatives: horizontality n. horizontally adv. horizontalness n. Etymology: F horizontal or mod.L horizontalis (as HORIZON)

Webster's 1913 Dictionary

Horizontal Hor`i*zon"tal, a. [Cf. F. horizontal.] 1. Pertaining to, or near, the horizon. ``Horizontal misty air.'' --Milton. 2. Parallel to the horizon; on a level; as, a horizontalline or surface. 3. Measured or contained in a plane of the horizon; as, horizontal distance. Horizontal drill, a drilling machine having a horizontal drill spindle. Horizontal engine, one the piston of which works horizontally. Horizontal fire (Mil.), the fire of ordnance and small arms at point-blank range or at low angles of elevation. Horizontal force (Physics), the horizontal component of the earth's magnetic force. Horizontal line (Descriptive Geometry & Drawing), a constructive line, either drawn or imagined, which passes through the point of sight, and is the chief line in the projection upon which all verticals are fixed, and upon which all vanishing points are found. Horizontal parallax. See under Parallax. Horizontal plane (Descriptive Geometry), a plane parallel to the horizon, upon which it is assumed that objects are projected. See Projection. It is upon the horizontal plane that the ground plan of the buildings is supposed to be drawn. Horizontal projection, a projection made on a plane parallel to the horizon. Horizontal range (Gunnery), the distance in a horizontal plane to which a gun will throw a projectile. Horizontal water wheel, a water wheel in which the axis is vertical, the buckets or floats revolving in a horizontal plane, as in most turbines.

Collin's Cobuild Dictionary

(horizontals) 1. Something that is horizontal is flat and level with the ground, rather than at an angle to it. The board consists of vertical and horizontal lines... ADJ • Horizontal is also a noun. Do not raise your left arm above the horizontal. N-SING: the N • horizontally The wind was cold and drove the snow at him almost horizontally. ADV: ADV with v, ADV -ed 2. A horizontal is a line or structure that is horizontal. The undulating planes of the countryside provide relief from the hard horizontals and verticals of the urban scene. N-COUNT

Soule's Dictionary of English Synonyms

a. Level, parallel to the horizon.

Moby Thesaurus

arrowlike, billiard table, bowling green, dead flat, dead level, dead straight, direct, earth, esplanade, even, flat, flatland, flattened, floor, flush, ground, homaloid, homaloidal, horizontal axis, horizontal fault, horizontal line, horizontal parallax, horizontal plane, horizontal projection, in a line, ledge, level, level line, level plane, lineal, linear, mean sea level, parterre, plain, plane, platform, prairie, prone, rectilineal, rectilinear, right, rolled, ruler-straight, sea level, sea of grass, smooth, smoothed out, smoothened, squashed, squashed flat, steppe, straight, straight-cut, straight-front, straight-side, streamlined, supine, table, tabloid, tabular, terrace, trodden, trodden flat, true, unbending, unbent, unbowed, unbroken, uncurved, undeflected, undeviating, undistorted, uninterrupted, unswerving, unturned, upright, vertical, water level