Sphere: meaning, definitions and examples

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sphere

[ sfɪər ]

^{Context #1}

shape

A sphere is a three-dimensional round geometric shape. It is perfectly symmetrical in all directions, with all points equidistant from the center.

Synonyms

ball, globe, orb

Examples of usage

The Earth is approximately a sphere.
The crystal ball was a perfect sphere.

^{Context #2}

astronomy

In astronomy, a sphere refers to the sky or celestial dome. It is an imaginary sphere of infinite radius centered on the observer, used to represent the apparent positions of celestial objects.

Synonyms

celestial sphere, heavens

Examples of usage

The stars are located on the celestial sphere.
The celestial sphere helps astronomers map out the night sky.

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field

In a specific field, a sphere can refer to a particular area of knowledge, activity, or interest.

Synonyms

area, domain, realm

Examples of usage

She is an expert in the sphere of finance.
The conference will focus on various spheres of technology.

Translations

Translations of the word "sphere" in other languages:

🇵🇹 esfera

🇮🇳 गोलाकार

🇩🇪 Kugel

🇮🇩 bola

🇺🇦 сфера

🇵🇱 sfera

🇯🇵 球 (たま)

🇫🇷 sphère

🇪🇸 esfera

🇹🇷 küre

🇰🇷 구

🇸🇦 كرة

🇨🇿 sféra

🇸🇰 sféra

🇨🇳 球 (qiú)

🇸🇮 sfera

🇮🇸 kúla

🇰🇿 сфера

🇬🇪 სფერო

🇦🇿 sfera

🇲🇽 esfera

Word origin

The word 'sphere' originated from the Latin word 'sphaera' and the Greek word 'sphaira,' both meaning 'ball' or 'globe.' The concept of a sphere has been studied and utilized in mathematics, geometry, astronomy, and various fields of science for centuries. Ancient civilizations recognized the spherical shape of celestial bodies and used spheres to represent perfection and symmetry. Today, the term 'sphere' continues to be fundamental in describing round shapes, celestial mapping, and specialized areas of expertise.