Noun
The circle 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.
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.
A plane parallel to the sensible horizon of a place, and passing through the earth's center; -- called also rational / celestial horizon.
The unbroken line separating sky and water, as seen by an eye at a given elevation, no land being visible.
The epoch or time during which a deposit was made.
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.
Source: Webster's dictionaryIt is beyond the horizon of present knowledge Source: Internet
A black stripe across the bottom of the otherwise gray rectangle gestures discreetly at the notion of a horizon, while a series of grids and scribbles above it feel as spontaneous as graffiti. Source: Internet
A bold claim led to a new challenge that could be on the horizon. Source: Internet
According to their own clocks, which appear to them to tick normally, they cross the event horizon after a finite time without noting any singular behaviour; it is impossible to determine the location of the event horizon from local observations. Source: Internet
According to the BoG’s forecast, risks to the inflation outlook are broadly balanced over the forecast horizon. Source: Internet
A Crichton book was a headlong experience driven by a man who was both a natural storyteller and fiendishly clever when it came to verisimilitude; he made you believe that cloning dinosaurs wasn't just over the horizon but possible tomorrow. Source: Internet