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horizontal surface
Thesaurus| Noun | 1. | horizontal surface - a flat surface at right angles to a plumb line; "park the car on the level"levelfloor, flooring - the inside lower horizontal surface (as of a room, hallway, tent, or other structure); "they needed rugs to cover the bare floors"; "we spread our sleeping bags on the dry floor of the tent"paved surface - a level horizontal surface covered with paving materialplatform - a raised horizontal surface; "the speaker mounted the platform"surface - the outer boundary of an artifact or a material layer constituting or resembling such a boundary; "there is a special cleaner for these surfaces"; "the cloth had a pattern of red dots on a white surface" |
horizontal surface
horizontal surface A specified portion of the horizontal plane located 150 ft above the established airport elevation, which establishes the height above which an object is determined to be an obstruction to air navigation. The perimeter of the horizontal surface is constructed by swinging the arcs of specified radii from the center of each end of the primary surface of each runway of each airport and connecting the adjacent arcs by lines tangent to those arcs.horizontal surface
Synonyms for horizontal surfacenoun a flat surface at right angles to a plumb lineSynonymsRelated Words- floor
- flooring
- paved surface
- platform
- surface
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