粉末

1. Origins, structure, and basic meaning

• Structure: 粉末 (ふんまつ) is a noun for solid material reduced to a very fine powdered form.
• Basic usage: 葉を粉末にする presents powder as the resulting form of dried leaves, while 粉末の薬 modifies the dosage form of medicine dissolved in water.

2. Common pitfalls and similar expressions

• Resulting form and powdered medicine
  • In 粉末にする, に marks the resulting form; in 粉末の薬, the head noun is 薬. Powdered form and medicinal purpose are not the same category.