Term: horizon: the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: amphibia: the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: cat box: a receptacle for cat excrement
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: stratification: the act or process or arranging persons into classes or social strata
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: curlew sandpiper: Old World sandpiper with a curved bill like a curlew
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: meteorology: the earth science dealing with phenomena of the atmosphere (especially weather)
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: port jackson heath: small shrub of southern and western Australia having pinkish to rosy purple tubular flowers
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: genus protohippus: a genus of Equidae
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: gastroenterologist: a physician who specializes in diseases of the gastrointestinal tract
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: ascariasis: infestation of the human intestine with Ascaris roundworms
Broader: great circle: a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center | Unrelated: haastia: genus of New Zealand mat-forming herbs or subshrubs: vegetable sheep