互換(ごかん) ごかん noun compatibility; interchangeability technicaltechnology 1. compatibility; interchangeability Being able to replace or work with one another, especially of devices, software, parts, or file formats. Mostly met in compounds. 互換(ごかん)のバッテリーを買(か)った。 I bought a compatible (third-party) battery. この新(あたら)しいモデルは旧(きゅう)モデルの上位(じょうい)互換(ごかん)だ。 This new model is an upgraded, fully compatible version of the old one. 古(ふる)いソフトとの互換(ごかん)を保(たも)つために、設定(せってい)を変(か)えずに残(のこ)してある。 The settings were left unchanged to keep compatibility with the old software. Used mostly in computing and engineering; in everyday speech the noun 互換性(ごかんせい) is far more common.Common collocations互換性(ごかんせい)がある: to be compatible上位(じょうい)互換(ごかん): upward-compatible; (casually) a strictly better version下位(かい)互換(ごかん): downward-compatible; a lesser version互換(ごかん)品(ひん): a compatible part or product (third-party)Watch outHomophones: 五感(ごかん) (the five senses) and 語幹(ごかん) (word stem). general Added 2026.10.10 10:37 · Revised 2026.10.10 10:39 31500/31823_gokan