Breathability: meaning, definitions and examples

Used primarily in the context of clothing or fabric, describing how well air passes through to keep the wearer cool and comfortable.

• The breathability of this new running shirt is amazing.
• When hiking, always choose shoes with good breathability.

Pertains to the intentional movement of air, often referring to systems that provide fresh air to buildings or other spaces.

• Good ventilation is crucial in keeping the workplace safe and comfortable.
• Proper ventilation in the kitchen can help eliminate odors and smoke.

Often used in technical or scientific settings, referring to a material's ability to allow air to pass through.

• The air permeability of this membrane makes it ideal for filtration processes.
• Engineers tested the air permeability of the new fabric for insulation purposes.

Describes the measure of void spaces in a material and is frequently used in fields like geology, engineering, and materials science.

• The porosity of this rock affects its ability to hold water.
• High porosity materials are often used in construction to control moisture levels.