horizontal

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horizontal

1. measured or contained in a plane parallel to that of the horizon
2. Economics relating to identical stages of commercial activity

horizontal

[‚här·ə′zänt·əl]
(science and technology)
Being in a plane perpendicular to the gravitational field, that is, perpendicular to a plumb line, at a given point on the earth's surface.

horizontal

At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
References in periodicals archive ?
F-86 II concept Main Specifications Length 4,235 mm Width 1,795 mm Height 1,270 mm Wheelbase 2,570 mm Engine Four-cylinder horizontally opposed DOHC engine
There are indeed cases when it is not better to throw at an angle than to throw horizontally.
Sagittal sections of the genital pore region of worms in Brazilian patients showed the cirrus sac lying horizontally with the seminal vesicle lying dorsocaudal to it, as described by Dick et el.
The study looked into a continuing debate among seismologists about what the earth's movement does to Los Angeles and its faults - whether the pressure is primarily making Earth's crust thicker, raising mountains and hills such as the San Gabriels and the Santa Monicas, or whether the crust is squirting out horizontally, like a watermelon seed squeezed between thumb and finger.
This will stretch X2, X5, and X3 both vertically and horizontally, weakening the support defense for X4.
Although initial expectations were to drill to depths beyond 10,000 feet and horizontally 1,500 feet, the well started to flow at 700 feet horizontally resulting in a 15 to 20 foot gas flare.
Each image contained a pair of faces and a pair of houses, with one pair aligned vertically and the other horizontally.
Simply choose a wallpaper and hang it horizontally across the centre of the wall to make a subtle style statement.
The building's facade will be a glass and aluminum framed curtain wall, with a unique open space frame on which glazed off-white ceramic tubes will be horizontally mounted as a sunscreen.
The Qantas plane came within 400 feet of the Air New Zealand plane's approved altitude of 36,000 feet and only about 2,600 feet separated the two craft horizontally, theNew Zealand pilots said in a report.
The measuring slit of this immersion probe is oriented vertically and is crossed horizontally by the light beam with a path measuring 1 mm.
Flats are capable of a good deal of variation, both horizontally and vertically.