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2)

後方互換性こうほうごかんせい

#316,499
こうほうごかんせい
Meaning
    1. backward compatibility; downward compatibility
      See also: 上位互換性 (じょういごかんせい), 前方互換性 (ぜんぽうごかんせい)
Kanji
後 ゴ behind, back, later 方 ホウ direction, person, alternative 互 ゴ mutually, reciprocally, together 換 カン interchange, period, change 性 セイ sex, gender, nature
Forms
3)

上位互換性じょういごかんせい

#347,591
じょういごかんせい
Meaning
    1. ①
      downward compatibility; backward compatibility; compatibility with input or components intended for lower tier or older systems, versions, etc.
      See also: 下位互換性 (かいごかんせい), 後方互換性 (こうほうごかんせい)
      旧きゅうシステム用ように書かかれたソフトとの上位互換性じょういごかんせいを保たもつのは大切たいせつです。
      It is important to maintain backward compatibility with software that was written to run on the former system.
    2. ②
      upward compatibility; forward compatibility; compatibility with input or components intended for higher tier or later systems, versions, etc.
      incorrect usage
      See also: 下位互換性 (かいごかんせい)
Kanji
上 ジョウ above, up 位 イ rank, grade, throne 互 ゴ mutually, reciprocally, together 換 カン interchange, period, change 性 セイ sex, gender, nature
Forms
4)

下位互換性かいごかんせい

#396,695
かいごかんせい
Meaning
    1. ①
      upward compatibility; forward compatibility; compatibility with input or components intended for higher tier or later systems, versions, etc.
      See also: 上位互換性 (じょういごかんせい), 前方互換性 (ぜんぽうごかんせい)
    2. ②
      downward compatibility; backward compatibility; compatibility with input or components intended for lower tier or older systems, versions, etc.
      incorrect usage
      See also: 上位互換性 (じょういごかんせい)
Kanji
下 カ below, down, descend 位 イ rank, grade, throne 互 ゴ mutually, reciprocally, together 換 カン interchange, period, change 性 セイ sex, gender, nature
Forms

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