Synonym: apparent horizon, celestial horizon, purview, sensible horizon, skyline, view, visible horizon. Similar words: authorize, authority, zone, zonation, prize, first prize, characterize, horn. Meaning: [hə'raɪzn] 
n. 1. the line at which the sky and Earth appear to meet 2. the range of interest or activity that can be anticipated 3. a specific layer or stratum of soil or subsoil in a vertical cross section of land 4. the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth.
n. 1. the line at which the sky and Earth appear to meet 2. the range of interest or activity that can be anticipated 3. a specific layer or stratum of soil or subsoil in a vertical cross section of land 4. the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth. 
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(121) It looked as if the most direct route was through the green blotch on the map and the horizon: pines.
(122) They drove up towards the countryside, trees and fields appearing on the horizon.
(123) But now even bigger and more drastic changes are on the horizon.
(124) In Arizona a couple of years ago, a sponsor decorated the horizon with a giant inflatable bag of chips.
(125) Kerin and classmates were on a field trip from Horizon Middle School in Ferndale, about 150 miles north.
(126) Neither birds nor human pilots can maintain controlled flight for more than a few seconds without a visual horizon or ground reference.
(127) First Jonathan, which had been, in retrospect, a mere blemish on the horizon.
(128) In this case a possible further extension beyond the horizon would present no problems.
(129) One day, she was cycling in just after dawn and the winter grey had lifted on an ice-blue horizon.
(130) Over east the yellow sun brimmed while along the western horizon the purple lip of night still clung.
(131) One moment the sky is clear - then, on the horizon, one small insignificant cloud.
(132) The epoch of blue shift is usually confined to the time when the object is still inside the event horizon.
(133) The personal decision horizon is likely to extend to around two years.
(134) A column of smoke and fire shot up above the horizon with astonishing violence.
(135) A ranch hand who worked in the area,(http://sentencedict.com/horizon.html) White was drawn to what appeared to be smoke on the horizon.
(136) D., there began to appear on the Roman horizon disturbing signs of cultural decline and moral decay.
(137) There were brilliant clouds on the horizon and it looked like we might get some weather.
(138) On the horizon, several dozen long greenhouses dot the landscape.
(139) Lassen on the distant horizon, and with the spiked rim of Castle Crags below to the nearby south.
(140) With a major typhoon hovering over the horizon, it would have been tempting fate unnecessarily.
(141) On the glistening horizon two black dots appeared, separated, and became helicopters roaring low overhead and scattering the distracted fowl.
(142) The murdering sun had dipped below the horizon, and this was the time when she could forage for food.
(143) The sun has now fallen behind the uneven horizon of buildings.
(144) The sun had dipped below the horizon, leaving only a soft golden glow in the air.
(145) Hence the prospect of an energy related and integrated physical geography including geomorphological processes may not be too far beyond the horizon.
(146) An hour and there was a speck of yellow on the horizon as tiny as an aphid.
(147) Only the topmost branches were still gilded by daylight, the illuminated areas shrinking as the sun dropped below the misty horizon.
(148) The main drawback of this approach is that it can operate only when the Sun is above the horizon.
(149) They would also give rise to a smaller Schwarzschild mass parameter, and hence greater curvature on the horizon.
(150) Tiny feathers of cloud drifted over the horizon like a flock of fire-birds.
More similar words: authorize, authority, zone, zonation, prize, first prize, characterize, horn, short, shorts, horror, hormone, in short, shortly, origin, horrible, metaphor, cut short, shortage, thorough, major in, historic, minority, short-term, priority, rhetoric, historian, favorite, thoroughly, historical.