noun
gap width
Technical term used in computing contexts, specifically referring to the width of a gap between magnetic poles, such as in magnetic recording heads.
磁極間隔が狭いほど、記録密度を高められる。
The narrower the gap width, the higher the recording density that can be achieved.
Compound of 磁極 (magnetic pole) and 間隔 (interval, gap). The exact historical derivation is uncertain; the term is a modern technical coinage.