visible horizon

• Linha aparente onde o solo ou o mar e o céu parecem se encontrar, vista pelo observador, marcando a maior distância visível a olho nu.

The line where the earth's surface and the sky appear to meet, as seen from an observer's viewpoint, marking the farthest distance visible to the naked eye.

1. Line where sky meets earthB1formal

   The apparent line that separates the earth from the sky, as seen by an observer.

   Linha onde o céu encontra a terra

   • The ship disappeared over the visible horizon.
   • From the hilltop, the visible horizon stretched for miles.
   • The sun set below the visible horizon.

2. Limit of perception or knowledgeB2formal

   The boundary of what can be seen, understood, or achieved.

   Horizonte de percepção

   • The discovery expanded the visible horizon of human knowledge.
   • His ambitions extended far beyond the visible horizon of his small town.
   • The project pushed the visible horizon of what was technologically possible.