(ぼうじん)

ぼうじん
noun
dustproof; dust protection; dust resistance
technologyabstract
1. dustproof; dust protection; dust resistance
Protection against dust entering a device, space, or product. Used attributively (often as 防塵(ぼうじん)~) to describe products, masks, equipment, or rooms designed to keep dust out. Common on product specifications for cameras, smartphones, and industrial equipment.
防塵(ぼうじん)マスク
A dust mask.
このカメラ防塵(ぼうじん)仕様(しよう)だ。
This camera is dustproof.
Dust-protection goggles are required on construction sites.
The latest smartphones have high waterproof and dustproof performance, so you can use them outdoors with peace of mind.

Composed of (ぼう) (to prevent, to guard against) and (じん) (dust). A technical term commonly seen on product labels, safety equipment, and industrial specifications.

Usage

防塵(ぼうじん) is almost always used attributively — it modifies another noun rather than standing alone as a subject. On consumer electronics it very often appears paired with 防水(ぼうすい) (waterproof) as a single compact specification.

Common collocations

Similar words

  • 防水(ぼうすい): waterproof — the parallel term for water resistance; the two are often paired
  • 耐塵(たいじん): dust-resistant — a less common variant emphasizing the ability to withstand dust rather than prevent its entry
  • 集塵(しゅうじん): dust collection — the opposite side of the problem, used for vacuum cleaners and industrial dust collectors