DICT.TW Dictionary Taiwan

 Vis·i·ble a.
 1. Perceivable by the eye; capable of being seen; perceptible; in view; as, a visible star; the least spot is visible on white paper.
    Maker of heaven and earth, and of all things visible and invisible.   --Bk. of Com. Prayer.
    Virtue made visible in outward grace.   --Young.
 2. Noticeable; apparent; open; conspicuous.
    The factions at court were greater, or more visible, than before.   --Clarendon.
 Visible church Theol., the apparent church of Christ on earth; the whole body of professed believers in Christ, as contradistinguished from the invisible, or real, church, consisting of sanctified persons.
 Visible horizon. Same as Apparent horizon, under Apparent.
 -- Vis*i*ble*ness, n. -- Vis*i*bly, adv.
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 Ho·ri·zon n.
 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 earth and sky.
 And when the morning sun shall raise his car
 Above the border of this horizon.   --Shak.
 All the horizon round
 Invested with bright rays.   --Milton.
 2. Astron. (a) A plane passing through the eye of the spectator and at right angles to the vertical at a given place; a plane tangent to the earth's surface at that place; called distinctively the sensible horizon. (b) A plane parallel to the sensible horizon of a place, and passing through the earth's center; -- called also rational horizon or celestial horizon. (c) Naut. The unbroken line separating sky and water, as seen by an eye at a given elevation, no land being visible.
 3. Geol. The epoch or time during which a deposit was made.
    The strata all over the earth, which were formed at the same time, are said to belong to the same geological horizon.   --Le Conte.
 4. Painting The chief horizontal line in a picture of any sort, which determines in the picture the height of the eye of the spectator; in an extended landscape, the representation of the natural horizon corresponds with this line.
 Apparent horizon. See under Apparent.
 Artificial horizon, a level mirror, as the surface of mercury in a shallow vessel, or a plane reflector adjusted to the true level artificially; -- used chiefly with the sextant for observing the double altitude of a celestial body.
 Celestial horizon. Astron. See def. 2, above.
 Dip of the horizon Astron., the vertical angle between the sensible horizon and a line to the visible horizon, the latter always being below the former.
 Rational horizon, and Sensible horizon. Astron. See def. 2, above.
 Visible horizon. See definitions 1 and 2, above.
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 visible horizon
      n : the line at which the sky and Earth appear to meet [syn: horizon,
           apparent horizon, sensible horizon, skyline]