Word Study
horizontal
CIDE DICTIONARY
horizontal, a. [Cf. F. horizontal.].
- Pertaining to, or near, the horizon. Milton. [1913 Webster]
- Parallel to the horizon; on a level; as, a horizontalline or surface. [1913 Webster]
- Measured or contained in a plane of the horizon; as, horizontal distance. [1913 Webster]
OXFORD DICTIONARY
horizontal, 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.
--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.
Derivative
horizontality n. horizontally adv. horizontalness n.
Etymology
F horizontal or mod.L horizontalis (as HORIZON)
THESAURUS
horizontal
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 levelROGET THESAURUS
horizontal
Horizontality
N horizontality, flatness, level, plane, stratum, dead level, dead flat, level plane, recumbency, lying down, reclination, decumbence, decumbency, discumbency, proneness, accubation, supination, resupination, prostration, azimuth, plain, floor, platform, bowling green, cricket ground, croquet ground, croquet lawn, billiard table, terrace, estrade, esplanade, parterre, table land, plateau, ledge, butte, mesa (plain), level, spirit level, horizontal, level, even, plane, flat, flat as a billiard table, flat as a bowling green, alluvial, calm, calm as a mill pond, smooth, smooth as glass, recumbent, decumbent, procumbent, accumbent, lying, prone, supine, couchant, jacent, prostrate, recubant, horizontally, on one's back, on all fours, on its beam ends.For further exploring for "horizontal" in Webster Dictionary Online