オーバレイ区く分ぶんMeanings1nounoverlay segmentcomputing›Computing term for a program segment that can be loaded into memory on demand, replacing another segment. Used in contexts such as memory management and embedded systems.このプログラムはオーバレイ区く分ぶんを使つかってメモリ使し用よう量りょうを抑おさえている。This program uses overlay segments to reduce memory usage.