cam ‧ pa ‧ nol ‧ o ‧ gy /ˌkæmpəˈnɒlədʒi $ -ˈnɑː-/ BrE AmE noun [uncountable] formal
[ Date: 1800-1900 ; Language: Modern Latin ; Origin: campanologia , from Late Latin campana 'bell' ]
the skill of ringing bells, and the study of bells
cam ‧ pa ‧ nol ‧ o ‧ gy /ˌkæmpəˈnɒlədʒi $ -ˈnɑː-/ BrE AmE noun [uncountable] formal
[ Date: 1800-1900 ; Language: Modern Latin ; Origin: campanologia , from Late Latin campana 'bell' ]
the skill of ringing bells, and the study of bells
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012