an ‧ al ‧ ge ‧ sic /ˌæn ə lˈdʒiːzɪk◂/ BrE AmE noun [countable]
technical a drug that reduces pain SYN painkiller :
Aspirin is a popular analgesic.
—analgesic adjective [only before noun] :
drugs that have an analgesic effect on ulcers
an ‧ al ‧ ge ‧ sic /ˌæn ə lˈdʒiːzɪk◂/ BrE AmE noun [countable]
technical a drug that reduces pain SYN painkiller :
Aspirin is a popular analgesic.
—analgesic adjective [only before noun] :
drugs that have an analgesic effect on ulcers
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012