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Noun horizon has 4 senses
- horizon, apparent horizon, visible horizon, sensible horizon, skyline - the line at which the sky and Earth appear to meet
--1 is a kind of line
--1 is a part of perspective, linear perspective
- horizon, view, purview - the range of interest or activity that can be anticipated; "It is beyond the horizon of present knowledge"
--2 is a kind of scope, range, reach, orbit, compass, ambit
- horizon - a specific layer or stratum of soil or subsoil in a vertical cross section of land
--3 is a kind of stratum
--3 is a part of profile
--3 has particulars: soil horizon; geological horizon
- horizon, celestial horizon - the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
--4 is a kind of great circle
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