1.
protective wall; barrier; shielding wall
A wall or barrier built to protect against danger — for example, against flying debris at a construction site, falling rocks on a highway, radiation in a nuclear facility, or blasts in a military bunker.
防護壁を設置する。
To install a protective wall.
工事現場の周りには防護壁が立てられている。
A protective wall has been put up around the construction site.
原子炉は厚い防護壁に囲まれている。
The nuclear reactor is surrounded by thick shielding walls.
落石から道路を守るために、山側に防護壁が設けられた。
To protect the road from falling rocks, a protective wall was built on the mountain side.
A physical barrier built to shield people, equipment, or facilities from harm. Composed of 防護 (protection, defense) + 壁 (wall).
COMMON COLLOCATIONS:
- 防護壁を設置する: to install a protective wall
- 防護壁を築く: to build a protective wall
- 防護壁に囲まれる: to be surrounded by a protective wall
- コンクリート防護壁: concrete barrier
- 放射線防護壁: radiation shielding wall
SIMILAR WORDS:
- 防壁: barrier; bulwark — more literary; often used figuratively as in "a barrier against ~"
- バリア: barrier (loanword) — often used in figurative senses (psychological, social barriers)
- 防音壁: soundproofing wall — specifically for noise
- 防波堤: breakwater — a barrier built in the sea to block waves
- 遮蔽壁: shielding wall — emphasizes blocking line of sight or radiation
USAGE:
防護壁 is used both literally (physical walls at construction sites, nuclear plants, or highways) and figuratively in contexts like "emotional barriers" or "a last line of defense." Related figurative uses can be found in news articles about cybersecurity, in which 防護壁 may refer to firewalls.