sr

[steradi`aan] symbol

Terminological databases

ID 573417 Last modified 18.09.2026

Domain metrologyunits of measurement

steradiaan

steradian

name/symbol of the SI derived unit for solid angle
solid angle of a cone which cuts out on a spherical surface with centre at the apex an area equal to the square of the radius

steradiaan

Usage examples

Steradiaan, tähis sr, on ruuminurk, mis toetub kera keskele ja eraldab kera pinnalt pindala, mis võrdub kera raadiuse ruuduga (A = r²).

sr symbol

Usage examples

steradian

Usage examples

The steradian, symbol sr, is a solid angle that subtends the center of a sphere and cuts off an area on the sphere's surface equal to the square of the sphere's radius (A = r²).

sr symbol

Usage examples

Inflection Type 22e

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