(じんあい)

じんあい
noun
dust and dirt; fine particles
1. dust and dirt; fine particles
Minute particles of dirt, dust, or debris. A literary or formal word for dust.
空気(くうき)(ちゅう)塵埃(じんあい)除去(じょきょ)する。
To remove dust particles from the air.
工場(こうじょう)では塵埃(じんあい)管理(かんり)徹底(てってい)されている。
Dust management is thoroughly enforced in the factory.
クリーンルームでは塵埃(じんあい)一切(いっさい)(ゆる)されない。
In a cleanroom, not a single particle of dust is permitted.
2. worldly concerns; earthly cares (figurative)
Used metaphorically, especially in Buddhist or literary contexts, to refer to the mundane world and its troubles.
塵埃(じんあい)にまみれた俗世(ぞくせ)
The mundane world, covered in earthly dust.
塵埃(じんあい)(はな)れて(やま)()もる。
To retreat to the mountains, leaving worldly cares behind.
(ぜん)修行(しゅぎょう)(こころ)塵埃(じんあい)(はら)う。
Through Zen practice, one sweeps away the dust of the mind.

A literary and somewhat formal word combining (じん) (dust) and (あい) (dirt/dust). Both characters independently mean "dust" — together they emphasize minuteness and pervasiveness. Common in technical writing (manufacturing, cleanrooms) and in Buddhist/literary contexts where it symbolizes worldly attachments.

COMMON COLLOCATIONS:

  • 塵埃(じんあい)除去(じょきょ)する: to remove dust
  • 塵埃(じんあい)濃度(のうど): dust concentration
  • 塵埃(じんあい)管理(かんり): dust control
  • 塵埃(じんあい)にまみれる: to be covered in dust (literal or figurative)

SIMILAR WORDS:

  • (ほこり): dust — the everyday word for household dust
  • (ちり): dust, particle — literary; common in the saying (ちり)()もれば(やま)となる
  • ゴミ: garbage, litter — refers to trash rather than fine particles
  • 粉塵(ふんじん): particulate matter — technical term for airborne particles