磁性

1. Origins, structure, and basic meaning

• Structure: 磁性 is a noun read じせい, meaning magnetism or the magnetic properties of a material.
• Basic usage: It can be a property tested in an experiment or compared before and after a sample is heated.
  • 理科の実験で金属の磁性を確かめました。 describes testing a metal's magnetic properties in a science experiment; 熱を加える前後で試料の磁性がどう変わるか比べます。 describes comparing how a sample's magnetism changes before and after heating.

2. Common pitfalls and similar expressions

• 磁性を確かめる
  • を marks the metal's magnetic property as what the experiment tests.
• 前後で比べる
  • で presents the conditions before and after heating as the comparison range.
• 磁性 and 磁力
  • 磁性 denotes a material's magnetic character, while 磁力 focuses on magnetic force.