Definition of horizon
1a : the line where the earth seems to meet the sky : the apparent junction of earth and sky sailing toward the horizonb : the great circle on the celestial sphere formed by the intersection of the celestial sphere with a plane tangent to the earth's surface at an observer's position — see azimuth illustrationc : range of perception or experience broaden your horizonsd : something that might be attained opening up new horizons in the field of cancer research
2a geology : a natural soil layer deposited at a particular time usually identified by distinctive fossilsb geology : any of the reasonably distinct layers of soil or its underlying material in a vertical section of landc anthropology : a cultural area or level of development indicated by separated groups of artifacts
horizonalplay \hə-ˈrī-zən-əl\ adjective
Examples of horizon in a Sentence
We sailed toward the horizon.
The sun rose slowly over the eastern horizon.
These discoveries have opened up new horizons in the field of cancer research.
Recent Examples of horizon from the Web
Dennis King, vice president of corporate operations for Gateway Tire, said the 200,000 square-foot center is expected to create 30 initial jobs, with more possibly on the horizon.
But discovering the exact sequence of events that gave life its spark may be forever lost behind time’s horizon, Hazen warns.
Travel isn't the only thing that has broadened Abello's horizons.
As good as that news is, Steve Spencer believes there are better stories on the horizon.
The stakes are high, with world war on the horizon, but events in this story don’t build to anything really big.
With Brandon Finnegan back on the disabled list and Anthony DeSclafani not expected back until late July at the earliest, there are no looming returns of more seasoned pitchers on the horizon.
The season finale of Pretty Little Liars is on the horizon, but leave it to star Ashley Benson to help ease the pain for her fans.
The scenery has changed from storefronts to ranchland, fences and fields that seem to stretch all the way to the horizon.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'horizon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of horizon
Middle English orizon, from Late Latin horizont-, horizon, from Greek horizont-, horizōn, from present participle of horizein to bound, define, from horos boundary; perhaps akin to Latin urvum curved part of a plow
First Known Use: 14th centurySee Words from the same year
HORIZON Defined for English Language Learners
Definition of horizon for English Language Learners
the horizon : the line where the earth or sea seems to meet the sky
: the limit or range of a person's knowledge, understanding, or experience
: the limit of what is possible in a particular field or activity
HORIZON Defined for Kids
Definition of horizon for Students
1 : the line where the earth or sea seems to meet the sky
2 : the limit of a person's outlook or experience Reading broadens our horizons.
Seen and Heard
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