Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Letters & punctuationNHS, thethe NHSNHS, the /ˌen eɪtʃ ˈes/ SLA (the National Health Service) the British system that provides free medical treatment for everyone, and is paid for by taxes NHS hospitalson the NHS (=free from the NHS) Can I get my glasses on the NHS? ldoceonline.com