DictBridge Dictionary

radius Definition and Meaning in English (radius definition)

noun
Synonyms:semidiameter
Quick Answer • Definition

Radius definition: The length of a line segment from the center of a circle or sphere to its perimeter or surface.

Definitions of Radius

  1. 1noun

    The length of a line segment from the center of a circle or sphere to its perimeter or surface.

  2. 2noun

    The thicker and shorter of the two bones in the human forearm, extending from the elbow to the wrist.

  3. 3noun

    A circular area defined by a specific distance from a central point.

Example Sentences

formal

“The radius of the Earth is approximately 6,371 kilometers.”

casual

“The doctor examined the patient's fractured radius bone.”

casual

“There are several restaurants within a five-mile radius of the hotel.”

Synonyms

semidiameter

Topics & Categories

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Inflected Word Forms

pluralradii
adjectiveradial
adverbradially

Phrases & Idiomatic Expressions

within a radius ofcollocation

Within a certain distance from a central point.

Frequently Asked Questions: Radius in English

What is the meaning of Radius in English?▼
Radius definition: The length of a line segment from the center of a circle or sphere to its perimeter or surface.
How do you translate 'Radius' to English?▼
'Radius' translates to 'radius' in English. Radius definition: The length of a line segment from the center of a circle or sphere to its perimeter or surface.
How do you pronounce 'Radius' and 'radius'?▼
Listen to clear English audio pronunciation of 'Radius' and native English audio speech for 'radius' with bilingual sentence examples on DictBridge.

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