PATHOGEN Meaning of PATHOGEN in English [ 'paθədʒ(ə)n ]■ noun Medicine a bacterium, virus, or other microorganism that can cause disease.Derivatives~ic adjective~icity noun~ous pə'θɒdʒɪnəs adjective Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004