bōen
1. protection from smoke; anti-smoke
Noun
#126593
1. protection from smoke; anti-smoke
1. It was not smoke-proof.; It wasn't smoke-resistant.
1. If/when smoke-proof; If/when smoke-resistant
1. With smoke prevention; For smoke prevention
1. Was not smoke-proof.; Was not fire-resistant.
1. Was smoke-proof.; Was fire-resistant.
1. Was smoke-proof.; Was fire-resistant.
1. If/when smoke-proof; If it were smoke-proof
1. It is smoke-proof.; It is fire-resistant.
1. Probably smoke-proof.; Probably fire-resistant.