noun
improved hanshi; type of Japanese calligraphy paper
A specific kind of hanshi (半紙) that has been improved in quality, often used in calligraphy practice. The term is a compound noun and is not commonly encountered outside of calligraphy contexts.
書道の練習には改良半紙を使っています。
I use improved hanshi paper for calligraphy practice.
半紙 is the general term for traditional Japanese calligraphy paper, while 改良半紙 specifically refers to an improved or higher-quality version of it.
Compound of 改良 (かいりょう, 'improvement') and 半紙 (はんし, 'Japanese calligraphy paper'). The term describes a refined version of traditional hanshi paper.