# solid angle (Q208476)

| Property ID | Property | Value | Value entity | Amount | Unit | Date / from | Until | Rank | Sources |
| --- | --- | --- | --- | ---: | --- | --- | --- | --- | --- |
| P4020 | ISQ dimension | 1 |  |  |  |  |  | normal |  |
| P279 | Subclass of | physical quantity | Q107715 |  |  |  |  | normal |  |
| P279 | Subclass of | ISQ derived quantity | Q30337763 |  |  |  |  | normal |  |
| P279 | Subclass of | dimensionless quantity | Q126818 |  |  |  |  | normal | ISO 80000-1:2009 Quantities and units—Part 1: General |
| P279 | Subclass of | three-dimensional object | Q35459920 |  |  |  |  | normal |  |
| P1889 | Different from | angle | Q11352 |  |  |  |  | normal |  |
| P1889 | Different from | angular measure | Q1357788 |  |  |  |  | normal |  |
| P2534 | Defining formula | \Omega = A / r^2 |  |  |  |  |  | normal | ISO 80000-3:2006 Quantities and units — Part 3: Space and time |
| P7235 | In defining formula | \Omega |  |  |  |  |  | normal |  |
| P7235 | In defining formula | A |  |  |  |  |  | normal |  |
| P7235 | In defining formula | r |  |  |  |  |  | normal |  |
| P7973 | Quantity symbol (LaTeX) | \Omega |  |  |  |  |  | normal |  |
| P8111 | Recommended unit of measurement | steradian | Q177612 |  |  |  |  | normal | ISO 80000-3:2019 Quantities and units — Part 3: Space and time \| SI Brochure (9th edition): Concise summary \| ISO 80000-3:2006 Quantities and units — Part 3: Space and time |
| P8111 | Recommended unit of measurement | 1 | Q199 |  |  |  |  | normal | ISO 80000-3:2019 Quantities and units — Part 3: Space and time |
| P2579 | Studied by | Euclidean solid geometry | Q207648 |  |  |  |  | normal |  |
| P461 | Opposite of | plane angle | Q2849635 |  |  |  |  | normal |  |
| P7033 | Australian Educational Vocabulary ID | scot/15533 |  |  |  |  |  | normal | https://vocabulary.curriculum.edu.au/scot/15533.html |
| P4746 | Elhuyar ZTH ID | 032531 |  |  |  |  |  | normal | https://zthiztegia.elhuyar.eus/kontzeptua/032531 |
| P7554 | Encyclopedia of Mathematics article ID | Solid_angle |  |  |  |  |  | normal | https://encyclopediaofmath.org/wiki/Solid_angle |
| P646 | Freebase ID | /m/0nb0h |  |  |  |  |  | normal | https://www.google.com/search?kgmid=/m/0nb0h |
| P8855 | IEV number | 102-04-46 |  |  |  |  |  | normal | https://www.electropedia.org/iev/iev.nsf/display?openform&ievref=102-04-46 |
| P5063 | Interlingual Index ID | i109925 |  |  |  |  |  | normal | https://globalwordnet.github.io/cili/i109925 |
| P4732 | IUPAC Gold Book ID | S05732 |  |  |  |  |  | normal | https://goldbook.iupac.org/terms/view/S05732 |
| P2812 | MathWorld ID | SolidAngle |  |  |  |  |  | normal | https://mathworld.wolfram.com/SolidAngle.html |
| P6366 | Microsoft Academic ID (discontinued) | 166070808 |  |  |  |  |  | normal | https://web.archive.org/web/https://academic.microsoft.com/v2/detail/166070808 |
| P3847 | Open Library subject ID | solid_angle |  |  |  |  |  | normal | https://openlibrary.org/subjects/solid_angle |
| P10283 | OpenAlex ID | C166070808 |  |  |  |  |  | normal | https://openalex.org/C166070808 |
| P6781 | ProofWiki ID | Definition:Solid_Angle |  |  |  |  |  | normal | https://proofwiki.org/wiki/Definition%3ASolid_Angle |
| P13625 | QUDT dimension ID | A0E0L0I0M0H0T0D1 |  |  |  |  |  | normal | http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1 |
| P8393 | QUDT quantity kind ID | SolidAngle |  |  |  |  |  | normal | https://qudt.org/vocab/quantitykind/SolidAngle |
| P9621 | Treccani's Enciclopedia della Matematica ID | angolo-solido |  |  |  |  |  | normal | https://www.treccani.it/enciclopedia/angolo-solido_(Enciclopedia-della-Matematica) |
| P7431 | Wolfram Language quantity ID | SolidAngle |  |  |  |  |  | normal |  |
| P3328 | Wurvoc.org measure ID | Solid_angle |  |  |  |  |  | normal | http://www.wurvoc.org/vocabularies/om-1.8/Solid_angle |

Source: https://aidb.si/e/solid-angle-Q208476 — Wikidata (CC0) via AIDB