noun a round solid figure, or its surface, with every point on its surface equidistant from its center
In mathematics, the concept of a sphere is fundamental, with equations describing its properties such as surface area and volume.
In astronomy, a celestial sphere is an imaginary sphere of arbitrarily large radius, concentric with Earth and rotating on Earth's axis. It represents the apparent positions of the stars in the sky.
In physics, a sphere is often used as a simplified model for various systems, such as in the case of a charged metal sphere in electrostatics.
In geometry, a sphere is a three-dimensional shape that is perfectly round, with all points on its surface equidistant from its center.
In the field of creative writing, the term 'sphere' may be used to refer to a character's area of influence or expertise within the story.
Psychologists may use the term 'sphere' to describe a person's social or personal space, including their relationships and interactions with others.
Architects may use 'sphere' to refer to the three-dimensional space occupied by a building or structure.
Scientists may use 'sphere' to describe a particular area of study or expertise within their field.
Politicians may use 'sphere' to refer to their area of influence or responsibility, such as a specific policy area or constituency.