grain

1. Origins, structure, and basic meaning

• Structure: 粒 has 11 strokes and denotes a small grain or particle.
• Basic usage: 粒 is read つぶ, and 粒子 is read りゅうし.

2. Common pitfalls and similar expressions

• Counting small pieces
  • 豆が一粒だけ残っていました means only one bean remained.
  • 一粒 counts one small grain or piece.
• Particle size
  • 異なる大きさの粒子 means particles of different sizes.