From Longman Dictionary of Contemporary Englishorthopedicsor‧tho‧pe‧dics (also orthopaedics British English) /ˌɔːθəˈpiːdɪks $ ˌɔːr-/ noun [uncountable] MHthe part of medicine that treats illnesses or injuries that affect people’s bones or musclesGRAMMAR: Singular or plural verb?Orthopedics is followed by a singular verb: Orthopedics was her specialism at medical school.