Nic'o·tin·ism noun [ Nicotine + -ism .] (Medicine) The morbid condition produced by the excessive use of tobacco. Found on http://www.encyclo.co.uk/webster/N/20
a pathological condition caused by excessive use of tobacco, and characterized by depression of the central and autonomic nervous systems; nicotine poisoning. Found on https://www.infoplease.com/dictionary/nicotinism