also: ローマンは
noun
Romantic school; Romanticism
Refers to the Romantic movement in arts, literature, and music, especially in 19th-century Europe. Often used in historical or critical contexts.
ロマン派の音楽は感情表現が豊かだ。
Romantic music is rich in emotional expression.
彼はロマン派の詩人を研究している。
He is studying Romantic poets.
ロマン主義 is a more formal term for Romanticism as an ideology or artistic principle, while ロマン派 emphasizes the school or group of artists.
From French 'romantisme' or English 'romanticism', with 派 (school/faction) added to denote the movement.