Name a substance that can be used as an antiseptic as well as a disinfectant.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Terms:**
- An antiseptic is a substance that prevents the growth of disease-causing microorganisms. It is typically safe for use on living tissues.
- A disinfectant is a substance that eliminates or reduces harmful microorganisms on inanimate objects and surfaces.

2. **Identifying a Suitable Substance:**
- We need to find a substance that can serve both purposes: as an antiseptic for living tissues and as a disinfectant for surfaces.
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