JMdict: 2838742
下位互換 【かいごかん】
- [adj-no,n] upward compatible; forward compatible; compatible with input or components intended for higher tier or later systems, versions, etc.
- [adj-no,n] downward compatible; backward compatible; compatible with input or components intended for lower tier or older systems, versions, etc.
- [adj-no,n] providing the same function while being less effective (esp. in games)