Name a synthetic polymer which is an amide.

Explanation

To answer the question "Name a synthetic polymer which is an amide," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Definition of Amide**:
An amide is a functional group characterized by a carbon atom double-bonded to an oxygen atom (C=O) and single-bonded to a nitrogen atom (N). This is often referred to as an amide linkage.

2. **Identify Synthetic Polymers**:
...