刃は長ちょう

noun

blade length; length of a blade

Technical term used in contexts such as swords, knives, and tools. Often contrasted with 刃渡り (blade span, edge length).

See also: 刃渡り

• この刀かたなの刃は長ちょうは約やく70センチです。

  The blade length of this sword is about 70 cm.