Hydroplane Hy"dro*plane, n. [Pref. hydro-, 1 + plane.] 1. A plane, or any of a number of planes, projecting from the hull of a submarine boat, which by being elevated or depressed cause the boat, when going ahead, to sink or rise, after the manner of an a["e]roplane. [Webster 1913 Suppl.]

2. A projecting plane or fin on a hydroplane[3] to lift the moving boat on top of the water; also, a gliding boat. [Webster 1913 Suppl.]

3. a powered surface boat fitted with planes (hydroplanes[2]) projecting below the hull, designed to lift the boat, when moving rapidly, so that the hull itself is lifted out of the water and the boat is supported by the hydrodynamic forces of the water on the hydroplanes[2], thus permitting higher speeds; formerly called a {gliding boat}. [Webster 1913 Suppl. +PJC]

The Collaborative International Dictionary of English. 2000.

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  • Hydroplane — Hy dro*plane, v. i. 1. Of a boat, to move through water while supported by hydroplanes[3] (see {hydroplane[3]}, above). [Webster 1913 Suppl.] 2. to move through a body of water supported by the hydrodynamic forces on a surface, similar in… …   The Collaborative International Dictionary of English

  • hydroplane — ☆ hydroplane [hī′drə plān΄ ] n. [ HYDRO + PLANE4] 1. a small, light motorboat with hydrofoils or with a flat bottom rising in steps to the stern so that it can skim along the water s surface at high speeds 2. SEAPLANE 3. an attachment for an… …   English World dictionary

  • hydroplane — [idʀoplan] n. m. ÉTYM. 1907; de hydro , et plane. ❖ ♦ Didact. Vx. Hydroglisseur. 0 Des zouaves désœuvrés regardaient les hydroplanes labourer la Seine stérile, revenir, la moissonner. Giraudoux, Simon le pathétique, p. 197. ❖ DÉR …   Encyclopédie Universelle

  • hydroplane — ► NOUN 1) a light, fast motor boat. 2) a fin like attachment which enables a moving submarine to rise or fall in the water. 3) US a seaplane. ► VERB chiefly N. Amer. another term for AQUAPLANE(Cf. ↑aquaplane) …   English terms dictionary

  • hydroplane — {{11}}hydroplane (n.) motorboat that glides on the surface of water, 1895, coined by U.S. engineer Harvey D. Williams [ Sibley Journal of Engineering, Cornell University, vol. X, p.81]; from HYDRO (Cf. hydro ) + plane (from AIRPLANE (Cf.… …   Etymology dictionary

  • Hydroplane — Hydroplaning and hydroplane may refer to: Hydroplaning (tires), a loss of steering or braking control when a layer of water prevents direct contact between road vehicle or aircraft tires and the road or runway surface. At this point, cars can… …   Wikipedia

  • hydroplane — /huy dreuh playn /, n., v., hydroplaned, hydroplaning. n. 1. a seaplane. 2. an attachment to an airplane enabling it to glide on the water. 3. a light, high powered boat, esp. one with hydrofoils or a stepped bottom, designed to plane along the… …   Universalium

  • hydroplane — UK [ˈhaɪdrəʊˌpleɪn] / US [ˈhaɪdrəˌpleɪn] noun [countable] Word forms hydroplane : singular hydroplane plural hydroplanes a fast boat that travels on the surface of the water …   English dictionary

  • hydroplane — hy•dro•plane [[t]ˈhaɪ drəˌpleɪn[/t]] n. v. planed, plan•ing 1) aer. a seaplane 2) aer. an attachment to an airplane enabling it to glide on the water 3) naut. navig. a light, high powered boat, esp. one with hydrofoils or a stepped bottom,… …   From formal English to slang

  • Hydroplane — Hydroglisseur  Ne doit pas être confondu avec Aéroglisseur …   Wikipédia en Français

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