Pronunciation

/ˈsfer/

Definitions

Noun

A sphere is a geometric shape that is perfectly round and has no edges or corners. It is the three-dimensional counterpart of a circle and is defined by all points equidistant from a central point, called the center.

Verb

To sphere can be used metaphorically to describe something that has a rounded or globular form, or to refer to the process of forming or becoming spherical.

Adjective

• Spherical describes something that is shaped like a sphere, having perfect circular cross-sections.

Adverb

Not applicable for this word.

Phrases

• “A sphere of influence” refers to an area where someone’s power or control has a significant impact.
• “The Earth is a sphere” is a basic scientific fact.
• “A spherical cow” is a thought experiment used to simplify physics problems by assuming cows have no depth.

Example Sentences

• Noun: “The planet Earth is a large celestial sphere.”
• Verb: “The liquid metal cooled and formed a spherical shape.”
• Adjective: “The satellite had a spherical design to minimize drag in space.”

Synonyms

-球形的 (gōu xíng de) -Globular -Convex -Spheroidal (a slightly deformed sphere) -Orbital -Circular (in a figurative sense)