A steradian is used to measure solid angles. A steradian is related to the surface area of a sphere in the same way a radian is related to the...
A unit of measure equal to the solid angle subtended at the center of a sphere by an area on the surface of the sphere that is equal to the radius squared. The total solid angle of a sphere is 4π steradians. [ste(reo)-+radian.] ...
Related to steradian:candela Graphic Thesaurus🔍 DisplayON AnimationON Legend Synonym Antonym Related </>embed</> sphere angular unit sr steradian noun Synonyms for steradian nounthe unit of solid angle adopted under the Systeme International d'Unites ...
,Geometry. 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.:sr Discover More Word History and Origins Origin ofsteradian1 First recorded in1880–85;ste(reo)-+radian ...
H henry inductance Hz hertz cycle frequency J joule energy kat katal molar flow Im lumen luminous flux lx lux illuminance N newton force W ohm resistance Pa pascal pressure rad radian plane angle S siemens conductance sr steradian solid angle Sv sievert dose equivalent T tesla magnetic flux dens...
A steradian is also equal to the spherical area of a polygon having an angle excess of 1 radian, to 1/4π of a complete sphere, or to (180/π)² or 3282.80635 square degrees. The steradian was formerly an SI supplementary unit, but this category was abolished from the SI in 1995...
Radians vs. Degrees - Definition and Conversions Radian is the SI unit of angle. Convert between degrees and radians. Calculate angular velocity. SI System An introduction to the SI metric system. Search Search is the most efficient way to navigate the Engineering ToolBox. Popular internal...
Are radian and steradian derived? Neither the radian nor steradian are SI base units. However, theyare coherent derived units in SI. There are two ways commonly used to represent this: ... The radian is officially defined (SI Brochure: , Section 2.2. ...
译文示例:Until 1995, the SI classified the radian and the steradian as supplementary units, but this designation was abandoned and the units were grouped as derived units. ↔ Hingga 1995, SI mengelompokkan radian dan steradian sebagai unit tambahan, tetapi penunjukan ini ditinggalkan dan unit...
Neither the radian nor steradian are SI base units. However, they are coherent derived units in SI. There are two ways commonly used to represent this: ...