気密性(きみつせい)

きみつせい
noun
airtightness; air sealing
1. airtightness; air sealing; hermetic properties
the quality of being sealed against air leakage, especially in buildings and containers
この家(いえ)は気密性(きみつせい)が高(たか)い。
This house has high airtightness.
気密性(きみつせい)を高(たか)めることで冷暖房(れいだんぼう)効率(こうりつ)が上(あ)がる。
Improving airtightness increases heating and cooling efficiency.
高気密(こうきみつ)・高断熱(こうだんねつ)住宅(じゅうたく)は省(しょう)エネに効果的(こうかてき)だ。
High-airtightness, high-insulation houses are effective for energy savings.

気密性(きみつせい) refers to airtightness—how well something is sealed against air leakage.

COMPONENTS:
気(き) (air) + 密(みつ) (dense, tight) + 性(せい) (property) = airtight quality

HOUSING TERMS:

  • 高気密(こうきみつ): high airtightness
  • 高気密(こうきみつ)高断熱(こうだんねつ): high airtightness, high insulation (common real estate phrase)
  • 気密性(きみつせい)が高(たか)い: has high airtightness
  • 気密性(きみつせい)を高(たか)める: to improve airtightness

RELATED PROPERTIES:

  • 断熱性(だんねつせい): thermal insulation
  • 防音性(ぼうおんせい): soundproofing
  • 耐久性(たいきゅうせい): durability

BENEFITS:
省(しょう)エネ (energy saving), 冷暖房(れいだんぼう)効率(こうりつ) (heating/cooling efficiency), 結露(けつろ)防止(ぼうし) (condensation prevention).

general
Added 2026.1.25 10:23 · Revised 2026.2.3 13:07
08000/08078_kimitsusei