noun
back-inflate BCD; back float type buoyancy control device
Technical term in scuba diving for a buoyancy control device (BCD) where the air bladder is positioned on the diver's back, as opposed to a jacket-style BCD. Wasei-eigo based on English 'back float type'.
wasei-eigo (Japanese-coined English), from back float type
バックフロートタイプのBCDは、水中での姿勢が安定しやすい。
A back-inflate BCD tends to provide better stability underwater.
ダイビングショップでバックフロートタイプを試着してみた。
I tried on a back float type BCD at the dive shop.