軌間

1. Origins, structure, and basic meaning

• Structure: 軌間(きかん) means track gauge, the distance between the two rails of a railway.
• Basic usage: It states that the line uses a narrower-than-standard track gauge.
  • この路線では標準より狭い軌間が採用されている。

2. Common pitfalls and similar expressions

• The homophone 期間
  • 期間(きかん) means a period or span of time. For the spacing of railway rails, the spelling is 軌間.