Meaning & Definition of Sphere in English

Detailed Definitions

• Definition: A round solid figure, or its surface, with every point on its surface equidistant from its center.

  Example Sentence: The Earth is roughly shaped like a sphere.

• Definition: An area of activity, interest, or influence.

  Example Sentence: She works in the sphere of education reform.

• Definition: A celestial body, especially a planet or star.

  Example Sentence: The night sky is filled with numerous celestial spheres.

• Definition: A particular environment or social setting.

  Example Sentence: He moved in elite social spheres.

• Definition: A mathematical surface, defined as the set of all points in three-dimensional space that are a fixed distance from a central point.

  Example Sentence: In geometry, a sphere is defined by its radius.

Etymology

Origin: From Middle English 'sfer', derived from Latin 'sphaera', from Ancient Greek 'σφαῖρα' (sphaira) meaning 'ball'.

Synonyms

Common Phrases and Expressions

• sphere of influence: The area in which a person or organization has power or influence.
• in the sphere of: Within a particular area or field of activity.
• outer sphere: Referring to an external layer or environment.

Translations

• Spanish: esfera

• French: sphère

• German: Sphäre

• Russian: сфера

Related Words

• spherical: Having the shape of a sphere.

• hemisphere: Half of a spherical object, typically referring to the Earth.

• spheroid: A shape that resembles a sphere but is not perfectly round.

Slang Meanings of sphere

• Meaning: A general term for an area of expertise or authority.

  Example Sentence: He's a big deal in the tech sphere.

• Meaning: Refers to social environments or circles.

  Example Sentence: She runs in the same sphere as the city’s elite.