noun
the line at which the sky and Earth appear to meet
Synonyms
apparent horizon
visible horizon
sensible horizon
skyline
noun
the range of interest or activity that can be anticipated
Synonyms
Examples
- It is beyond the horizon of present knowledge
noun
a specific layer or stratum of soil or subsoil in a vertical cross section of land
noun
the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
Synonyms
celestial horizon