JMdict: 2838742

下位互換 【かいごかん】

  1. [adj-no,n] upward compatible; forward compatible; compatible with input or components intended for higher tier or later systems, versions, etc.
  2. [adj-no,n] downward compatible; backward compatible; compatible with input or components intended for lower tier or older systems, versions, etc.
  3. [adj-no,n] providing the same function while being less effective (esp. in games)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
下 Below, Down, Descend, Give, Low, Inferior カ, ゲ した, しも, もと, さ.げる, さ.がる, くだ.る, くだ.り, くだ.す, -くだ.す, くだ.さる, お.ろす, お.りる
位 Rank, Grade, Throne, Crown, About, Some イ くらい, ぐらい
互 Mutually, Reciprocally, Together ゴ たが.い, かたみ.に
換 Interchange, Period, Change, Convert, Replace, Renew カン か.える, -か.える, か.わる