What does the NS prefix mean? Asked 07 September, 2021 Viewed 1.6K times ios objective-c cocoa cocoa-touch terminology 60 Votes 9 Answers Many classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean? ios objective-c cocoa cocoa-touch terminology Your reply on this question: Add Reply Cancel 9 Answer Order by Voted Recent Oldest Submit an answer Embed images in Question