Loss of magnetism is known as ____.

Answer

**Step-by-Step Solution:**

1. **Understanding the Concept**: The question asks for the term that describes the loss of magnetism in a magnet. This is a fundamental concept in the study of magnets.

2. **Identifying the Term**: The specific term used to describe the loss of magnetism is "demagnetization."

3. **Explanation of Demagnetization**: Demagnetization occurs when a magnet loses its magnetic properties. This can happen through various methods such as:
- **Heating**: When a magnet is heated, the thermal energy can disrupt the alignment of magnetic domains, leading to a loss of magnetism.
- **Hammering**: Striking a magnet can also disturb the alignment of its magnetic domains, causing it to lose its magnetism.
- **Dropping**: Dropping a magnet from a height can similarly cause the internal structure to change, resulting in demagnetization.

4. **Conclusion**: Therefore, the loss of magnetism is known as "demagnetization."

**Final Answer**: The loss of magnetism is known as **demagnetization**.

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