undressed concrete; unfaced concrete
Concrete left with its natural surface after formwork removal, without plastering or finishing. Often used in modern architectural design.
See also: 打ちっぱなし (うちっぱなし)
The exterior walls of this building are made of undressed concrete.
Golf practice facility; short for 打ち放し練習場. The term 打ちっぱなし is more common in everyday speech.
See also: 打ちっぱなし (うちっぱなし)
I often go to the driving range on weekends to practice.
Standard kanji spelling for both senses.
Variant without okurigana; less common but still used.
Mixed kana-kanji spelling; sometimes used for clarity or in informal contexts.
Compound of 打ち (uchi, continuative form of 打つ 'to strike, to hit') + 放し (hanashi, continuative form of 放す 'to release, to leave as is'). Literally 'leaving after striking/hitting', referring to concrete left as struck from the form, or to hitting golf balls and leaving them.