材料

1. Origins, structure, and basic meaning

• Structure: 材料 is a noun read ざいりょう for ingredients or materials used to make food or an object.
• Basic usage: It covers buying ingredients for dinner and making a model from materials such as wood and paper.
  • 夕食の材料を帰りに買ってきます。 describes buying dinner ingredients on the way home; 木や紙など身近な材料で模型を作りました。 describes making a model from familiar materials such as wood and paper.

2. Common pitfalls and similar expressions

• 材料を買う
  • を marks the materials being bought, while の in 夕食の材料 identifies what they are for.
• 材料で作る
  • で marks what is used to make the object, and 木や紙など gives examples of those materials.
• 材料 and 原料
  • 原料(げんりょう) focuses on raw matter processed into a product, while 材料 more broadly covers what is used in cooking, crafts, or production.