Definition of horizons Horizons

/hɚajˈzʌnz/ - [herayzunz] -

We found 3 definitions of horizons from 2 different sources.

What does horizons mean?

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Noun Plural: horizons
horizon - a specific layer or stratum of soil or subsoil in a vertical cross section of land
		stratum one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
		profile biographical sketch
		soil horizon a layer in a soil profile
horizon - the line at which the sky and Earth appear to meet
		apparent horizon, visible horizon, sensible horizon, skyline
		line acting in conformity; "in line with"; "he got out of line"; "toe the line"
horizon - the range of interest or activity that can be anticipated; "It is beyond the horizon of present knowledge"
		view, purview
horizon - the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
		celestial horizon

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horizon (Noun)
The horizontal line that appears to separate the Earth from the sky.
horizon (Noun)
The range or limit of one's knowledge, experience or interest.
horizon (Noun)
A specific layer of soil or strata.
horizon (Noun)
A cultural sub-period or level within a more encompassing time period.

horizon (n.)
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.
horizon (n.)
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.
horizon (n.)
A plane parallel to the sensible horizon of a place, and passing through the earth's center; -- called also rational / celestial horizon.
horizon (n.)
The unbroken line separating sky and water, as seen by an eye at a given elevation, no land being visible.
horizon (n.)
The epoch or time during which a deposit was made.
horizon (n.)
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.

horizon
The horizontal line that appears to separate the Earth from the sky.

horizon
ho-rī′zun, n. the circular line formed by the apparent meeting of the earth and sky—in astronomical phrase, the sensible, apparent, or visible horizon, as opposed to the astronomical, true, or rational horizon, the circle formed by a plane passing through the centre of the earth, parallel to the sensible horizon, and produced to meet the heavens: (geol.) a stratum marked by the presence of a particular fossil not found in the overlying or underlying beds: any level line or surface: the limit of one's experience or apprehension.—adj. Horizon′tal, pertaining to the horizon: parallel to the horizon: level: near the horizon: measured in a plane of the horizon.—n. Horizontal′ity.—adv. Horizon′tally.—Artificial horizon, a small trough containing quicksilver, the surface of which affords a reflection of the celestial bodies. [Fr.,—L.,—Gr. horizōn (kyklos), bounding (circle), horizein, to bound—horos, a limit.]

horizon
(Gr. orizo, I bound or terminate). In astronomy and geography, is the plane of the great circle of the sphere, dividing the visible from the invisible hemisphere. The horizon is either sensible or rational. The sensible horizon is a plane which is a tangent to the earth’s surface at the place of the spectator, extended on all sides till it is bounded by the sky; the rational horizon is a plane parallel to the former, but passing through the centre of the earth. Both the sensible and rational horizon are relative terms, and change with every change of the spectator’s position on the surface of the earth; in all cases they are perpendicular to the direction of gravity.

The horizon (from Greek "orizein", to limit) is the line that separates earth from sky. But at many places the "true horizon" cannot be seen as there are trees, buildings, mountains and so forth. The line is then called "visible horizon".