1. extremely fine synthetic fibers, typically made from polyester or polyamide, used in textiles and cleaning products
Usage: usually plural; commonly used in fabric and cleaning cloth manufacturing
2. tiny plastic particles shed from synthetic textiles and released into the environment, often found in water and soil
Usage: environmental concern; usually plural

Examples

• Microfibers are commonly used in cleaning cloths because they trap dust and dirt effectively.
• The towel is made of soft microfibers that dry quickly.
• Washing synthetic clothing releases microfibers into the ocean.
• Microfibers from textiles have been detected in drinking water.
• Many athletic wear brands use microfibers for their moisture-wicking properties.
• Scientists are studying the impact of microfibers on marine ecosystems.