Word.ws English Dictionary

radian

/ˈɹeɪdiən/

radian noun: in the International System of Units, the derived unit of plane angle: the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle.

Noun

radian (plural radians)

  1. In the International System of Units, the derived unit of plane angle: the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle.

radian meaning in Tamil, Urdu, Tagalog and Malay

radian in Tamil

ஆரகம், ஆரைக்கோணம், ஆரையன், ரேடியன்

radian in Urdu

نصف قطر کا

radian in Tagalog

unit
radyan

radian in Malay

unit
radian
More languagesFewer languages
radian in Indonesian
radian
radian in Thai
เรเดียน ree-dîian

Forms of radian

pluralradians

Origin of radian

From radius + -an.

Words formed from radian

Words that rhyme with radian

Questions about radian

What does radian mean?
Radian means in the International System of Units, the derived unit of plane angle: the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle.
What is radian in Tamil?
Radian in Tamil is ஆரகம், ஆரைக்கோணம், ஆரையன். See Radian meaning in Tamil.
What part of speech is radian?
Radian is a noun.
How do you pronounce radian?
Radian is pronounced /ˈɹeɪdiən/.
What is the plural of radian?
The plural of radian is radians.

Words near radian in the dictionary

  1. radializes
  2. radializing
  3. radially
  4. radialmost
  5. radials
  6. radian
  7. radiance
  8. radiance field
  9. radiances
  10. radiancies
  11. radiancy

Source and license

Adapted from Wiktionary: radian (page history and authors); radian (Tamil Wiktionary) (page history and authors); radian (Urdu Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-radian.wav.

Cite this entry: “radian.” Word.ws, https://word.ws/radian. Based on Wiktionary, CC BY-SA 4.0.