ho
ri
zon
Plural
horizons
1
the line where the sky and earth seem to come in contact with each other
- The sun dipped below the horizon, casting a warm glow across the sky.
- From the mountaintop, they could see the city skyline on the horizon.
- Sailors navigated by the stars on the open sea, using the horizon as a reference.
- The plane disappeared over the horizon as it flew toward its destination.
- The sunset painted the horizon with hues of pink and orange.
2
the limit or extent of one's experience, interests, or outlook
- Travel can broaden your horizons.
- Scientists are constantly pushing the horizons of knowledge.
- The course opened new professional horizons for her.
- The project expanded the company's business horizon.
- He looked beyond his own horizon to understand others.
3
a distinct layer of soil or subsoil in a vertical section of land, differing in composition or color from adjacent layers
- The topsoil formed the upper horizon of the profile.
- Geologists identified several horizons rich in clay.
- The dark horizon indicated high organic matter.
- The A horizon contains most of the plant roots.
- Each soil horizon reflects different stages of formation.
4
the circle on the celestial sphere whose plane passes through both the observer's visible horizon and the Earth's center
- Astronomers measure a star's altitude above the celestial horizon.
- The celestial horizon divides the visible sky from the unseen half.
- The planet appeared just above the celestial horizon at dusk.
- The telescope's alignment was adjusted to the celestial horizon.
- The celestial horizon provides a reference for astronomical coordinates.
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