apparent horizon
The visible line of demarcation between land/sea and sky.

Military dictionary. 2000.

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  • Apparent horizon — Horizon Ho*ri zon, n. [F., fr. L. horizon, fr. Gr. ? (sc. ?) the bounding line, horizon, fr. ? to bound, fr. ? boundary, limit.] 1. The line which bounds that part of the earth s surface visible to a spectator from a given point; the apparent… …   The Collaborative International Dictionary of English

  • Apparent horizon — Apparent Ap*par ent, a. [F. apparent, L. apparens, entis, p. pr. of apparere. See {Appear}.] 1. Capable of being seen, or easily seen; open to view; visible to the eye; within sight or view. [1913 Webster] The moon . . . apparent queen. Milton.… …   The Collaborative International Dictionary of English

  • Apparent horizon — An apparent horizon is a surface defined in general relativity as the boundary between light rays which are directed outwards and moving outwards, and those which are directed outwards but moving inwards.Apparent horizons are not invariant… …   Wikipedia

  • apparent horizon — regimasis horizontas statusas T sritis Standartizacija ir metrologija apibrėžtis Tariamoji Žemės ir dangaus susikirtimo linija, kurią mato stebėtojas. atitikmenys: angl. apparent horizon; sensible horizon; visible horizon vok. sehbarer Horizont,… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • apparent horizon — regimasis horizontas statusas T sritis fizika atitikmenys: angl. apparent horizon; sensible horizon; visible horizon vok. scheinbarer Horizont, m; sichtbarer Horizont, m; Sichthorizont, m rus. видимый горизонт, m pranc. horizon apparent, m;… …   Fizikos terminų žodynas

  • apparent horizon — horizonto linija statusas T sritis Gynyba apibrėžtis Matoma linija, skirianti žemę (jūrą) ir dangų. atitikmenys: angl. apparent horizon pranc. horizon apparent …   NATO terminų aiškinamasis žodynas

  • apparent horizon — noun the line at which the sky and Earth appear to meet • Syn: ↑horizon, ↑visible horizon, ↑sensible horizon, ↑skyline • Hypernyms: ↑line • Part Holonyms: ↑perspective, ↑ …   Useful english dictionary

  • apparent horizon — The visible line of demarcation between land or the sea and the sky …   Aviation dictionary

  • Horizon — Ho*ri zon, n. [F., fr. L. horizon, fr. Gr. ? (sc. ?) the bounding line, horizon, fr. ? to bound, fr. ? boundary, limit.] 1. The line which bounds that part of the earth s surface visible to a spectator from a given point; the apparent junction of …   The Collaborative International Dictionary of English

  • Apparent — Ap*par ent, a. [F. apparent, L. apparens, entis, p. pr. of apparere. See {Appear}.] 1. Capable of being seen, or easily seen; open to view; visible to the eye; within sight or view. [1913 Webster] The moon . . . apparent queen. Milton. [1913… …   The Collaborative International Dictionary of English

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