Learn how to say Parnassianism correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Parnassian:
1 literary relating to poetry; poetic.
2denoting a group of French poets of the late 19th century who emphasized strictness of form, named from the anthology Le Parnasse contemporain (1866):
the Parnassian movement
a member of the Parnassian group of poets:
the poetic values of the Parnassians