🌐EnglishEnglishDeutschFrançaisРусский中文EntityQ5168006· pop 6· linked from 12 articlesCoordinate singularityApparent singularity in a coordinate frame that can be removed by using a different frameAvailable in 6 languagesFrançaisDeutschРусскийHungarianUkrainianvia Wikidata sitelinks · CC0ConnectionsmathematicsEntityphysicsEntityCategoriesMathematical analysis