steradian

ste·ra·di·an

S s

Transcription

- US Pronunciation
- US IPA
- [stuh-rey-dee-uh n]
- /stəˈreɪ di ən/

- US Pronunciation
- US IPA
- [stuh-rey-dee-uh n]
- /stəˈreɪ di ən/

Definitions of steradian word

noun steradian a solid angle at the center of a sphere subtending a section on the surface equal in area to the square of the radius of the sphere. Abbreviation: sr. 1
noun steradian an SI unit of solid angle; the angle that, having its vertex in the centre of a sphere, cuts off an area of the surface of the sphere equal to the square of the length of the radius 0
noun steradian the basic unit of solid angular measure in the SI system, equal to the solid angle subtended at the center of a sphere by an area, on its surface, that is equal to the square of its radius: one sphere equals 4π steradians 0

See all 3 definitions of steradian

Information block about the term

Origin of steradian

First appearance:

before 1880

One of the 23% newest English words

First recorded in 1880-85; ste(reo)- + radian

Historical Comparancy

Parts of speech for Steradian

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Steradian

steradian popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 61% of English native speakers know the meaning and use word.

According to our data about 74% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

steradian usage trend in Literature

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