ほおんせい

Frequency rank: 54,044. – 55,693.
    noun (common) (futsuumeishi)
  1. ability to retain heat (of clothing, etc.); (degree of) thermal insulation; heat-insulating property
Forms
  • ほおんせいFrequency rank: 54,044. – 55,693.
  • ほおんせい
Wiktionary definitions (experimental)
  1. たもつ保(たもつ)つ.