sphere

esfera

Forma u objeto completamente redondo en todas las direcciones, como una pelota.

En inglés sencillo: A completely round shape or object, like a ball.

• The lamp is shaped like a sphere.
• She held a small glass sphere.
• The Earth is almost a perfect sphere.

Sinónimos: ball, globe

Expresiones frecuentes: glass sphere, solid sphere, perfect sphere

ámbito, esfera

Área de la vida o del trabajo en la que alguien actúa, tiene responsabilidades o ejerce influencia.

En inglés sencillo: An area of life or work in which someone acts, has responsibility, or has influence.

• Her work belongs to the political sphere.
• The matter falls outside my sphere of responsibility.
• His influence extends into several different spheres of public life.

Cómo se usa: sphere of something (The company expanded its sphere of influence.)

Sinónimos: domain, field, area

Expresiones frecuentes: sphere of influence, public sphere, political sphere

esfera

Superficie formada por todos los puntos que están a la misma distancia de un punto central.

En inglés sencillo: A surface consisting of all points at the same distance from a central point.

• Every point on a sphere is equally distant from its centre.
• Draw a sphere with a radius of two units.
• The equation describes a sphere in three-dimensional space.

Expresiones frecuentes: unit sphere, sphere surface, sphere of radius