🌐EnglishEnglishEspañolItalianoPolski中文EntityQ2248190· pop 6negative-acknowledge characterAlso known as NAK, NACK, U+0015, 0x15C0 control character with hexadecimal value 0x15Available in 6 languagesEspañol中文ItalianoCatalanPolskivia Wikidata sitelinks · CC0ConnectionsacknowledgementEntity