Which prefix denotes the concept of "air" in scientific terms?

The prefix that indicates the concept of "air" in scientific terms is "pneumo-." This prefix is derived from the Greek word "pneuma," which means "breath" or "air." It is commonly used in medical and scientific contexts to describe conditions and concepts related to the respiratory system. For example, terms like "pneumonia," which refers to an infection of the lungs, and "pneumothorax," which is the presence of air in the pleural space, illustrate the use of "pneumo-" in relation to air and respiratory functions.

Other prefixes listed do not relate to air: "photo-" pertains to light, "phobia-" refers to an irrational fear, and "path-" is associated with disease or suffering. Understanding the meanings of these prefixes is crucial in fields such as medicine and biology, as they form the basis of many technical terms used to describe various phenomena.