Word Pronunciation & Dictionary

radian

/ˈɹeɪdiən/

Word Rarity Very rare

Frequency: Zipf frequency 2.12 in modern English

Syllables: ra-di-an
IPA: /ˈɹeɪdiən/

7

Scrabble Score

6

Letters

3

Syllables

5

Unique Chars

Meaning

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.

Etymology

Etymology tree Latin radiusbor. English radius Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Old French -ainder. Middle English -an English -an English radian From radius + -an.

Inflected Forms

radians (plural)

Derived Forms

microradian milliradian picoradian radiansphere steradian

Frequently Paired Words

degree gradian mul:rad mul:ᶜ

Synonyms

rad

Rhymes With

canadian akkadian acadian arcadian barbadian palladian hadean badian scadian

Questions

How do you pronounce radian?: The recorded pronunciation is /ˈɹeɪdiən/.
What does radian mean?: 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.
Where does radian come from?: Etymology tree Latin radiusbor. English radius Proto-Indo-European *-nós Proto-Italic *-nos Proto-Italic *-ānos Latin -ānus Old French -ainder. Middle English -an English -an English radian From radius + -an.

How to pronounce radian

Open the pronunciation page — Open the Speakur entry for “radian”.
Read the phonetic spelling — Read the IPA spelling (/ˈɹeɪdiən/) so you know which sounds to aim for.
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