角砂糖

1. Origins, structure, and basic meaning

• Structure: 角砂糖 (かくざとう) is sugar pressed into a small cube. It appears as one measured piece and as multiple pieces stacked together.
• Basic usage: One cube is added to black tea; several white cubes are arranged neatly on a plate.

2. Common pitfalls and similar expressions

• Single unit added to a drink and multiple sugar pieces arranged
  • 角砂糖を一つ marks an object and its count, while 角砂糖が積まれる describes several pieces in a stacked state. This is not a counter for loose granulated sugar.