Horizontal surface
1horizontal 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… …
2horizontal surface — noun a flat surface at right angles to a plumb line park the car on the level • Syn: ↑level • Derivationally related forms: ↑level (for: ↑level) • Hypernyms: ↑ …
3inner horizontal surface — An imaginary surface located in the horizontal plane above an airport at a designated height above an established datum. See initial approach surface …
4horizontal — hor|i|zon|tal1 [ˌhɔrıˈzɔntl US ˌha:rıˈza:ntl] adj flat and level ▪ a horizontal surface >horizontally adv →↑diagonal, vertical ↑vertical horizontal 2 horizontal2 n 1.) a horizontal line or surface …
5horizontal — 1 adjective flat and level: a horizontal surface horizontally adverb opposite vertical 1, compare diagonal 2 noun 1 (C) a horizontal line or surface 2 the horizontal a horizontal position …
6horizontal — adjective 1) a horizontal surface Syn: level, flat, plane, smooth, even; straight, parallel Ant: vertical 2) she was horizontal on the bed Syn: flat …
7Surface of flotation — Flotation Flo*ta tion, n. [Cf. F. flottation a floating, flottaison water line, fr. flotter to float. See {Flotilla}.] 1. The act, process, or state of floating. [1913 Webster] 2. The science of floating bodies. [1913 Webster] 3. (Com. & Finance) …
8horizontal stabilizer — Aeron. the horizontal surface, usually fixed, of an aircraft empennage, to which the elevator is hinged. Also called, esp. Brit., tail plane. * * * …
9horizontal stabilizer — The fixed horizontal surface on the tail of conventional airplane. The stabilizer may be adjustable in flight to vary downloads produced by the tail. This permits the airplane to be flown hands off at any speed …
10horizontal — horizontal, ale, aux [ ɔrizɔ̃tal, o ] adj. et n. f. • orizontal 1545; de horizon I ♦ Adj. 1 ♦ Qui est parallèle à l horizon astronomique, perpendiculaire à la direction de la pesanteur en un lieu (opposé à vertical). Plan horizontal; ligne,… …
