Which term refers to gases stored at extremely high pressures within a tank?

The term that refers to gases stored at extremely high pressures within a tank is "compressed gases." This term is commonly used in various fields, including medicine, to describe gases that have been pressurized to the point where they occupy a smaller volume than they would under normal atmospheric conditions. Compressed gases are significant in medical applications because they can be stored in manageable sizes and effectively delivered when needed, such as oxygen for patient care.

The definition highlights how compressed gases are utilized in medical environments, emphasizing their importance in feeding equipment, such as anesthesia machines or respiratory devices. High pressures facilitate efficient storage and transportation, allowing for larger quantities of gas to be kept in smaller containers.

While terms like "pressure gases" and "high-pressure tanks" may seem relevant, they do not specifically address the nature of the gases themselves when compressed. Meanwhile, "cylinder gases" could refer to the form in which the gases are stored but does not capture the concept of pressurization. The term "compressed gases" most accurately conveys the essential characteristics associated with how these gases are utilized in storage and applications.