🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsРусский中文日本語EntityQ829376· pop 13· linked from 22 articlescontactmathematics termWikidata factsImageTangentCircle.pngSources (1)wikidata.orgvia Wikidata · CC0Available in 13 languagesEspañolFrançaisDeutsch中文日本語РусскийChuvashEsperantoKazakhNorwegian NynorskSlovenianConnectionscontact geometryEntitytangentEntityCategoriesContact geometryDifferential geometryMultivariable calculusSingularity theory