🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisPortuguêsРусскийالعربيةفارسی한국어中文日本語EntityQ1354987· pop 13· linked from 175 articlesneighbourhoodAlso known as open neighbourhood, neighborhood, open neighborhoodset of vertices adjacent to a given vertex in a graphAvailable in 13 languagesEspañolFrançaisDeutschРусскийPortuguêsالعربيةCatalanCroatianHungarianTamilConnectionsnodeEntityindependent setEntityCategoriesGraph theory objectsUse Oxford spelling from August 2016