biologic /bʌɪəˈlɒdʒɪk/adjective 1noun 1forms 1 adjective1 •Biological; pertaining to biology or to a living organism.Biologic femaleness is a sequence of circular returns, beginning and ending at the same point. — 1990 noun1 •An extremely complex drug, vaccine or antitoxin that is made from a living organism, or from products of a living organism. formsbiologics