Inflammation in the outer covering of lungs is known as ....................

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes inflammation in the outer covering of the lungs.

2. **Identifying the Structure**: The outer covering of the lungs is known as the pleura. It consists of two membranes: the visceral pleura (which is in contact with the lungs) and the parietal pleura (which is in contact with the thoracic cavity).

3. **Recognizing the Condition**: When there is inflammation or infection in the pleura, it leads to a condition that affects the respiratory system.

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