ロックウール
rokkūuru
1. rock wool; mineral wool
★ Common
Noun
#182203
1. rock wool; mineral wool
1. lock
2. lock (in rugby); lock forward
1. rock (music)
2. rock; boulder
3. on the rocks (drink)
1. wool
1. automatic lock
2. automatic door-locking system
1. hard rock
1. Rock wool.
1. It is not rockwool.
1. with rock wool; using rock wool
1. Wasn't rockwool.