pan ‧ dem ‧ ic /pænˈdemɪk/ BrE AmE noun [countable]
[ Date: 1600-1700 ; Language: Greek ; Origin: pandemos , from pan- ( ⇨ ↑ pan- ) + demos 'people' ]
technical a disease that affects people over a very large area or the whole world ⇨ endemic , epidemic :
the AIDS pandemic
—pandemic adjective