Horizon

[hə'raɪz(ə)n] or [hə'raɪzn]

解释:

(noun.) the range of interest or activity that can be anticipated; 'It is beyond the horizon of present knowledge'.

(noun.) the line at which the sky and Earth appear to meet.

(noun.) the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth.

(noun.) a specific layer or stratum of soil or subsoil in a vertical cross section of land.

杰里米整理--From WordNet

解释:

(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.

(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.

(n.) A plane parallel to the sensible horizon of a place, and passing through the earth's center; -- called also rational / celestial horizon.

(n.) The unbroken line separating sky and water, as seen by an eye at a given elevation, no land being visible.

(n.) The epoch or time during which a deposit was made.

(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.

阿蒂整理

解释:

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.

伊夫林整理