{"id":"https://openalex.org/C199631012","wikidata":"https://www.wikidata.org/wiki/Q205034","display_name":"Perpendicular","level":2,"description":"Property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees). The property extends to other related geometric objects","works_count":486593,"cited_by_count":1883945,"summary_stats":null,"ids":{"openalex":"https://openalex.org/C199631012","wikidata":"https://www.wikidata.org/wiki/Q205034","mag":null,"wikipedia":"https://en.wikipedia.org/wiki/perpendicular","umls_aui":null,"umls_cui":null},"image_url":"https://upload.wikimedia.org/wikipedia/commons/8/84/Perpendicular-coloured.svg","image_thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Perpendicular-coloured.svg/100px-Perpendicular-coloured.svg.png","international":{},"ancestors":null,"related_concepts":null,"counts_by_year":null,"works_api_url":"https://api.openalex.org/works?filter=concepts.id:199631012","updated_date":"2026-11-13T04:04:42","created_date":"2016-06-24T00:00:00"}
