What is the definition of a hermetic container?

A hermetic container is defined as a container that is impermeable to air under normal handling and storage conditions. This characteristic is crucial in the pharmaceutical context, as it ensures that the contents inside are protected from external contaminants, moisture, and air, which can degrade the quality of medications.

The ability to prevent air from entering is essential for preserving the stability and shelf life of pharmaceuticals, particularly those that are sensitive to oxidation or moisture absorption. Such containers help maintain the efficacy and safety of the medication, making them a standard in pharmacy practices for storing both solid and liquid formulations.

In contrast, the other options do not embody the true nature of a hermetic container. For instance, a container that is flexible and easy to handle does not imply that it offers any air-tight properties. Additionally, a container suitable for prolonged exposure to sunlight does not necessarily mean it is hermetically sealed; it might actually allow air to enter while being exposed to light. Lastly, limiting a hermetic container's definition to only liquid medications overlooks its applications with solid medications as well. Therefore, the definition that highlights the container's impermeability to air when handling and storing is the most accurate.