PTERIDOLOGY Meaning of PTERIDOLOGY in English [ ˌtɛrɪ'dɒlədʒi ]■ noun the study of ferns and related plants.Derivativespteridological adjectivepteridologist noun OriginC19: from Gk pteris , pterid- 'fern' + -logy . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004